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1980-11-14
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1980-04-01
Azidomethylanyl substituted cephalosporin derivatives
CA1103237A
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1981-06-16
Unsaturated derivatives of 7-acylamido-3-cephem-4- carboxylic acid and process for their preparation
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1978-01-03
Derivatives of 7-(2-substituted-2-hydroxyiminoacetamido)-3-(1-substituted tetrazol-5-ylthiomethyl-3-cephem-4-carboxylic acid
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1982-05-25
3-[(8-Carboxy-6-tetrazolo[1,5-b]pyridazinyl)-thiomethyl]-7-[2-(2-amino-4-thiazolyl)-2-methoxyimino-acetamido]-3-cephem-4-carboxylic acid
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1982-01-26
α-Acylureidocephalosporins and salts and esters thereof
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1977-08-31
Sposob wytwarzania cefalosporyn
NO763600L
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1977-04-26
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1981-07-07
Pyrrole cephalosporin derivatives
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1999-05-01
세팔로스포린 유도체와 이의 제조방법
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1990-09-25
Process for the preparation of intermediates used to produce aminothiazoloximino cephalosporins
CA1050968A
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1979-03-20
Process for the production of cephem compounds
WO1994007898A1
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1994-04-14
Novel cephalosporin derivatives and processes for the preparation thereof
HU182498B
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1984-01-30
Process for producing 7-bracket-iminoacetamido-bracket closed-3-thiomethyl-ceph-3-eme-4-caraoxylic acid
US4144241A
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1979-03-13
5-Sulfomethyl-1,3,4-thiadiazole-2-thiol
FI60869C
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1982-04-13
Foerfarande foer framstaellning av nya terapeutiskt anvaendbara cefalosporiner
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1978-08-15
Intermediates for preparing substituted phenylglycylcephalosporins
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1978-12-05
7-Trifluoromethylthioacetamido-3-(3-sulfomethyl-1,2,4-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid
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1988-04-07
1-Methanesulfonyloxy-6-trifluoromethyl-1H-benzotriazole and its use in preparing cephalosporin derivatives
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1978-11-07
7-[(substituted-thiomethyl)phenyl] acetamidocephalosporin derivatives
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(en )
1996-01-16
2-(2-aminothiazol-4-yl)-2-oxoacetic acid derivatives
SU668607A3
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1979-06-15
Способ получени производных 7-ацетамидо-3-цефем-карбоновой кислоты
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1977-08-23
Intermediates for preparing substituted phenylglycylcephalosporins
CA1072078A
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1980-02-19
Cephalosporin compounds
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1979-10-30
7-[(Substituted-thiomethyl)phenyl]acetamidocephalosporin derivatives