JP6574379B2 - 18f−フルシクロビンの製造 - Google Patents
18f−フルシクロビンの製造 Download PDFInfo
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- JP6574379B2 JP6574379B2 JP2015525884A JP2015525884A JP6574379B2 JP 6574379 B2 JP6574379 B2 JP 6574379B2 JP 2015525884 A JP2015525884 A JP 2015525884A JP 2015525884 A JP2015525884 A JP 2015525884A JP 6574379 B2 JP6574379 B2 JP 6574379B2
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/38—Separation; Purification; Stabilisation; Use of additives
- C07C227/40—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
- C07C227/20—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
- A61K51/0404—Lipids, e.g. triglycerides; Polycationic carriers
- A61K51/0406—Amines, polyamines, e.g. spermine, spermidine, amino acids, (bis)guanidines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J16/00—Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor
-
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/245—Stationary reactors without moving elements inside placed in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/248—Reactors comprising multiple separated flow channels
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B59/00—Introduction of isotopes of elements into organic compounds ; Labelled organic compounds per se
- C07B59/001—Acyclic or carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/16—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions not involving the amino or carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/46—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino or carboxyl groups bound to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C229/48—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino or carboxyl groups bound to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups and carboxyl groups bound to carbon atoms of the same non-condensed ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
- G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
- G21G1/04—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators
- G21G1/10—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators by bombardment with electrically charged particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/24—Stationary reactors without moving elements inside
- B01J2219/2401—Reactors comprising multiple separate flow channels
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/05—Isotopically modified compounds, e.g. labelled
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/09—Geometrical isomers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/04—Systems containing only non-condensed rings with a four-membered ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Description
(a)固相に吸着された次の式IIの化合物を準備し、
PG1はカルボキシ保護基であり、
PG2はアミン保護基である。)
(b)吸着された式IIの化合物をPG1脱保護剤と反応させ、
(c)反応工程(b)の後PG1脱保護剤を廃棄に送り、
(d)固相に溶出液を通して次の式IIIの溶出化合物を得、
工程を含む。
(i)次の式Iの前駆体化合物を適切な[18F]フッ化物源と反応させて式IIの化合物を含む反応混合物を得る。
LGは脱離基であり、
PG1は既に定義した通りであり、
PG2は既に定義した通りである。
(ii)工程(i)で得られた反応混合物を固相に適用して、式IIの化合物を固相に吸着させる。ここで、固相は既に定義した通りである。
(i)反応混合物を親水性親油性バランス(HLB)固相に通すことを含む第1の精製工程を実施し、
(ii)場合により、反応混合物をアルミナ固相に通すことを含む第2の精製工程を実施する
ことを含んでなる。
(a)本明細書で定義されているた本発明の方法のための固相、
(b)本発明の方法のためのPG1脱保護剤供給源、
(c)本明細書で定義されている本発明の方法のための溶出液供給源、
(d)本明細書で定義されている本発明の方法のためのPG2脱保護剤供給源、
(e)反応容器、及び
(f)廃棄手段
を含んでおり、このシステムはさらに、
(i)(e)から(a)へ、
(ii)(b)から(a)へ、
(iii)(a)から(f)へ、
(iv)(c)から(a)を介して(e)へ、そして
(v)(d)から(e)へ
の連続的な流れを可能にする手段を含んでいる。
(g)本明細書で定義されている式Iの前駆体化合物供給源、及び
(h)[18F]フッ化物源
を含む。
実施例1は、本発明の方法による[18F]FACBCの合成を記載する。
[18F]FACBC 1−アミノ−3−[18F]フルオロシクロブタン−1−カルボン酸
K222 Kryptofix 222
MeCN アセトニトリル
MeOH メタノール
QMA 第四メチルアンモニウム
RCY 放射化学収率
SPE 固相抽出
TLC 薄層クロマトグラフィー
UV 紫外線。
担体無添加の[18F]フッ化物を、GE PETtrace 6サイクロトロン(Norwegian Cyclotron Centre,Oslo)で18O(p,n)18F核反応により作成した。デュアルビーム、30μAの電流を用い、HAVAR箔を備えた2つの同等なAgターゲットに対して、16.5MeVのプロトンを使用して照射を行った。各々のターゲットは396%の[18O]水(Marshall Isotopes)を1.6ml含有していた。照射及びホットセルへの吐出後、各々のターゲットを1.6mlの[16O]水(Merck、GR分析用の水)で洗浄して、3.2mlの[16O]水中におよそ2〜5Gbq得た。
Claims (21)
- 1−アミノ−3−[18F]−フルオロシクロブタンカルボン酸([18F]−FACBC)の製造方法であって、
(a)固相に吸着された次の式IIの化合物を準備し、
PG1はカルボキシ保護基であり、
PG2はアミン保護基である。)
(b)吸着された式IIの化合物をPG1脱保護剤と反応させ、
(c)反応工程(b)の後PG1脱保護剤を配管及びバルブに沿って専用の容器に送ってPG1脱保護剤を反応混合物から実質的に除去し、
(d)溶出液を固相に通して次の式IIIの溶出化合物を得、
ことを含む、方法。 - [18F]−FACBCが、次の式のtrans−1−アミノ−3−[18F]−フルオロシクロブタンカルボン酸(anti−[18F]−FACBC)であり、
- PG1がエチルである、請求項1又は請求項2記載の方法。
- PG2がt−ブトキシカルボニルである、請求項1乃至請求項3のいずれか1項記載の方法。
- 固相が、−SiC18H37表面官能基を有するシリカ系吸着剤の固相抽出(SPE)カラムである、請求項1乃至請求項4のいずれか1項記載の方法。
- PG1脱保護剤がNaOHである、請求項1乃至請求項5のいずれか1項記載の方法。
- PG2脱保護剤がHClである、請求項1乃至請求項6のいずれか1項記載の方法。
- 溶出液が水である、請求項1乃至請求項7のいずれか1項記載の方法。
- 準備工程(a)が、
(i)以下の式Iの前駆体化合物を適切な[18F]フッ化物源と反応させて、式IIの化合物を含む反応混合物を得、
LGは脱離基であり、
PG1は請求項1又は請求項3で定義した通りであり、
PG2は請求項1又は請求項4で定義した通りである。)
(ii)工程(i)で得られた反応混合物を固相に適用して、式IIの化合物を固相に吸着させる
ことを含み、固相は請求項1又は請求項5で定義した通りである、請求項1記載の方法。 - 式Iの化合物が以下の式Iaの化合物であり、式IIの化合物が以下の式IIaの化合物である、請求項9記載の方法。
- LGがトリフルオロメタンスルホン酸である、請求項9又は請求項10記載の方法。
- 工程(e)で得られた反応混合物を精製して実質的に純粋な[18F]−FACBCを得るというさらなる工程(f)を含む、請求項1乃至請求項11のいずれか1項記載の方法。
- 工程(f)が、反応混合物を親水性親油性バランス(HLB)固相に通すことを含む第1の精製工程を実施することを含む、請求項12記載の方法。
- 工程(f)がさらに、反応混合物をアルミナ固相に通すことを含む第2の精製工程を実施することを含む、請求項13記載の方法。
- 自動化される、請求項1乃至請求項14のいずれか1項記載の方法。
- 請求項1乃至請求項8のいずれか1項記載の方法を実施するためのシステムであって、
(a)請求項1又は請求項5に記載の固相、
(b)請求項1又は請求項6に記載のPG1脱保護剤の供給源、
(c)請求項1又は請求項8に記載の溶出液の供給源、
(d)請求項1又は請求項7に記載のPG2脱保護剤の供給源、
(e)反応容器、及び
(f)廃棄手段
を含んでおり、さらに、
(i)(b)から(a)へ、
(ii)(a)から(f)へ、
(iii)(c)から(a)を介して(e)へ、及び
(iv)(d)から(e)へ
の連続的な流れを可能にする手段を含む、システム。 - 請求項16に記載のシステムを含み、さらに
(g)式Iの前駆体化合物の供給源、及び
(h)[18F]フッ化物源
を含む、請求項9乃至請求項11のいずれか1項記載の方法を実施するためのシステム。 - 請求項16に記載のシステムを含み、さらに(i)工程(e)で得られた反応混合物を精製して実質的に純粋な[18F]−FACBCを得るための手段を含む、請求項12乃至請求項14のいずれか1項記載の方法を実施するためのシステム。
- 精製手段がHLB固相及び場合によりアルミナ固相を含む、請求項18に記載のシステム。
- 自動合成装置で請求項1乃至請求項8のいずれか1項記載の方法を実施するためのカセットであって、請求項16に記載のシステムを含む、カセット。
- 自動合成装置で請求項12乃至請求項14のいずれか1項記載の方法を実施するためのカセットであって、請求項19に記載のシステムを含む、カセット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1214220.4 | 2012-08-09 | ||
GBGB1214220.4A GB201214220D0 (en) | 2012-08-09 | 2012-08-09 | Radiosynthesis |
PCT/EP2013/066570 WO2014023775A1 (en) | 2012-08-09 | 2013-08-07 | Preparation of 18f-fluciclovine |
Publications (3)
Publication Number | Publication Date |
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JP2015530985A JP2015530985A (ja) | 2015-10-29 |
JP2015530985A5 JP2015530985A5 (ja) | 2017-07-27 |
JP6574379B2 true JP6574379B2 (ja) | 2019-09-11 |
Family
ID=46935146
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Application Number | Title | Priority Date | Filing Date |
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JP2015525884A Active JP6574379B2 (ja) | 2012-08-09 | 2013-08-07 | 18f−フルシクロビンの製造 |
Country Status (14)
Country | Link |
---|---|
US (2) | US9359288B2 (ja) |
EP (1) | EP2885271A1 (ja) |
JP (1) | JP6574379B2 (ja) |
KR (1) | KR102109225B1 (ja) |
CN (2) | CN104507905A (ja) |
AU (1) | AU2013301499B2 (ja) |
BR (1) | BR112015002077A2 (ja) |
CA (1) | CA2878636A1 (ja) |
GB (2) | GB201214220D0 (ja) |
IL (1) | IL236312A0 (ja) |
IN (1) | IN2014DN10962A (ja) |
MX (2) | MX368668B (ja) |
RU (1) | RU2640805C2 (ja) |
WO (1) | WO2014023775A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012089594A1 (en) * | 2010-12-29 | 2012-07-05 | Ge Healthcare Limited | Eluent solution |
GB201411569D0 (en) | 2014-06-30 | 2014-08-13 | Ge Healthcare Ltd | Novel formulation and method of synthesis |
US11534494B2 (en) | 2011-12-21 | 2022-12-27 | Ge Healthcare Limited | Formulation and method of synthesis |
GB201214220D0 (en) | 2012-08-09 | 2012-09-19 | Ge Healthcare Ltd | Radiosynthesis |
CN107614482B (zh) * | 2015-06-05 | 2020-10-20 | 日本医事物理股份有限公司 | 放射性标记化合物的制造装置及制造方法 |
GB201621864D0 (en) * | 2016-12-21 | 2017-02-01 | Ge Healthcare Ltd | Solid phase conditioning |
CN106770883B (zh) * | 2017-01-03 | 2019-01-29 | 原子高科股份有限公司 | 一种氟[18f]化钠注射液放化纯的薄层色谱分析方法 |
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US5808146A (en) | 1995-11-09 | 1998-09-15 | Emory University | Amino acid analogs for tumor imaging |
US7897811B2 (en) * | 2006-05-11 | 2011-03-01 | Nihon Medi-Physics Co., Ltd. | Process for production of radioactive fluorine-labeled organic compound |
TWI402079B (zh) * | 2006-12-27 | 2013-07-21 | Nihon Mediphysics Co Ltd | A method for producing a precursor compound of a radioactive halogen-labeled organic compound |
WO2008099800A1 (ja) * | 2007-02-13 | 2008-08-21 | Nihon Medi-Physics Co., Ltd. | 放射性画像診断剤の製造方法 |
JP5732198B2 (ja) * | 2007-12-19 | 2015-06-10 | 日本メジフィジックス株式会社 | 放射性フッ素標識有機化合物の製造方法 |
WO2011044410A2 (en) * | 2009-10-08 | 2011-04-14 | Ge Healthcare Limited | Solid phase extraction purification method |
KR20130140041A (ko) | 2010-11-29 | 2013-12-23 | 지이 헬쓰케어 리미티드 | Pet 전구체의 제조 |
GB201021523D0 (en) | 2010-12-20 | 2011-02-02 | Ge Healthcare Ltd | Process simplification for precursor compound |
GB201021530D0 (en) * | 2010-12-20 | 2011-02-02 | Ge Healthcare Ltd | Purification of precursor compound by crystallisation |
US9061977B2 (en) | 2010-12-20 | 2015-06-23 | Ge Healthcare Limited | Purification of precursor compound by crystallisation |
WO2012089594A1 (en) | 2010-12-29 | 2012-07-05 | Ge Healthcare Limited | Eluent solution |
GB201214220D0 (en) | 2012-08-09 | 2012-09-19 | Ge Healthcare Ltd | Radiosynthesis |
-
2012
- 2012-08-09 GB GBGB1214220.4A patent/GB201214220D0/en not_active Ceased
-
2013
- 2013-08-07 KR KR1020157003004A patent/KR102109225B1/ko active IP Right Grant
- 2013-08-07 CA CA2878636A patent/CA2878636A1/en not_active Abandoned
- 2013-08-07 AU AU2013301499A patent/AU2013301499B2/en active Active
- 2013-08-07 CN CN201380041838.9A patent/CN104507905A/zh active Pending
- 2013-08-07 JP JP2015525884A patent/JP6574379B2/ja active Active
- 2013-08-07 GB GB1501016.8A patent/GB2519026B/en active Active
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MX2015001724A (es) | 2015-04-14 |
US20150232415A1 (en) | 2015-08-20 |
GB2519026A (en) | 2015-04-08 |
RU2640805C2 (ru) | 2018-01-12 |
US10023525B2 (en) | 2018-07-17 |
CA2878636A1 (en) | 2014-02-13 |
GB201501016D0 (en) | 2015-03-04 |
BR112015002077A2 (pt) | 2017-07-04 |
CN108997169A (zh) | 2018-12-14 |
IN2014DN10962A (ja) | 2015-09-18 |
KR102109225B1 (ko) | 2020-05-11 |
MX368668B (es) | 2019-10-10 |
EP2885271A1 (en) | 2015-06-24 |
US20160355460A1 (en) | 2016-12-08 |
GB201214220D0 (en) | 2012-09-19 |
AU2013301499B2 (en) | 2017-08-31 |
KR20150039204A (ko) | 2015-04-09 |
GB2519026B (en) | 2019-09-04 |
WO2014023775A1 (en) | 2014-02-13 |
RU2015101998A (ru) | 2016-09-27 |
MX2019012139A (es) | 2019-12-09 |
AU2013301499A1 (en) | 2015-01-22 |
IL236312A0 (en) | 2015-02-26 |
JP2015530985A (ja) | 2015-10-29 |
US9359288B2 (en) | 2016-06-07 |
CN104507905A (zh) | 2015-04-08 |
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