PL286019A1
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1991-10-21
Method of obtaining heteroazepines
PL286707A1
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1991-10-07
Method of obteining tetraniture
GR900100319A
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1991-10-10
Novel thieno-triazolo-diazepino-derivatives preparation method
PL289381A1
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1991-11-04
Method of obtaining novel phosphonomethylothioethoxypurines
EP0435149A3
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1991-10-16
Method of producing 3-dibutyl-amino-6-methyl-7-anilinofluoran
ZA904311B
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1991-04-24
Method of preparing n-oxo-tetrahydro-beta-carbolines
CS600689A1
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1990-08-14
Method of zinc-nickel double cyclo-tetraphosphates preparation
EP0416577A3
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1993-02-24
Method of preparing levoglucosenone
CS51189A2
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1991-03-12
Method of 1-methoxy-2-propanone preparation
CS279089A1
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1990-08-14
Method of 1-amino-7-naphthol preparation
CS600789A1
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1990-06-13
High-temperature method of double zinc-nickel cyclo-tetraphosphates preparation
CS599789A1
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1990-08-14
Method of cobalt-zinc double cyclo-tetraphosphates preparation
CS289889A1
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1990-06-13
Method of double manganese-cobalt cyclo-tetraphosphates preparation
CS590089A2
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1991-06-11
Double zinc-nickel cyclo-tetraphosphates and method of their preparation
CS35489A1
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1990-09-12
Method of normethanephrine preparation
CS23489A1
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1990-09-12
Method of z-alkenes preparation
CS214389A1
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1990-09-12
Method of lysinesalicylate preparation
CS841188A1
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1989-07-12
Method of trisdiethylaminosiliciumchloride preparation
BG47579A1
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1990-08-15
Method for preparation of photoluminophors
CS275569B2
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1992-02-19
Method of concentrated alkylpolyglycoletersulfates preparation
CS447688A1
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1989-04-14
Method of double cadmium-magnesium cyclo-tetraphosphates preparation
CS501688A1
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1989-04-14
Method of cadmium-calcium double cyclo-tetraphosphates preparation
CS502688A1
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1989-04-14
Method of cobalt-magnesium double cyclo-tetraphosphates preparation
CS586788A1
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1989-04-14
Method of double cobalt-nickel cyclo-tetraphosphates preparation
CS118689A1
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1990-05-14
Method of technical 2-isopropylamino-4-ethylamino-6-chloro-s-triazine