ZA893569B
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1990-01-31
1,1-dioxo-cephem-4-carbothiolic acid derivatives
IL87779A0
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1989-03-31
4-azasaccharines,4-aza-dihydro-and-tetrahydro-saccharines and their preparation
ZA889251B
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1989-08-30
8,9-annelated-beta-carbolines and 8,9-annelated-3,4-dihydro-beta-carbolines
KR870004977A
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1987-06-02
2,2'-Bi-1H-imidazole and its preparation method
ZA906605B
(en )
1991-06-26
N,n'-bis-1,3,5-triazin-6-ylpiperazines,and process for their preparation
IL92033A0
(en )
1990-07-12
Catalyst and method for the preparation thereof
DE3661830D1
(en )
1989-02-23
2,4-dichlorothiazole derivatives and process for their preparation
ZA893479B
(en )
1990-01-31
3-pyrrolidinylthio-1-azabicyclo(3.2.0)-hept-2-ene-2-carboxylic acid derivatives and their preparation
RO101613B1
(en )
1992-07-15
2,6-difluor-benzene acid derivate and preparation method
EP0344112A3
(en )
1990-04-11
Substituted bisacyloxynaphthacenes, and process for the preparation of tetrathiotetracenes
GB2185257B
(en )
1989-10-18
10 beta-alkynyl-4, 9(11)-estradiene derivatives and process for their preparation
PL276098A1
(en )
1990-06-11
Method of obtaining 2,3-dibromide-2-butene-1,4-diole
PL276965A1
(en )
1990-07-09
Preparation method for the 2,2'-asinobis(3-ethylbenzenetiasoline-6-sulfonic) acid
KR100209844B1
(en )
1999-07-15
2-amino-4-methylphosphinobutyric acid derivatives and preparing method thereof
CS415188A1
(en )
1989-04-14
3-substituted 4-imino-1,2,3,4-tetrahydroquinazoline-2-thiones and method of their preparation
CS825388A1
(en )
1990-07-12
Method of 4,4 -diamino-1,1 -diantraquinonile-3-3 -disulphonic acid preparation
PL274916A1
(en )
1990-04-02
Method of obtaining 2,2'-dithiodibenzoic acid
BG40556A1
(en )
1987-01-15
N- 4- bromphenyl- n'- arylthiocarbamides, method for preparation and use
CS908588A1
(en )
1989-09-12
Method of bis-/2,4-dimercapto-6-triazinyl/-disulphide preparation
CS811588A1
(en )
1990-03-14
2,2,6,6-tetramethyl-4-piperidyliden-acetone and method of its preparation
RO101437B1
(en )
1992-06-26
6-chlor-2,4-dinitro-aniline preparation method
CS150288A1
(en )
1990-09-12
2-amino-2-hydroxymethyl-3,4-trans-epoxy-14-oxo-6-trans-eikosenic acid and method of its preparation
CS719788A1
(en )
1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
BG39191A1
(en )
1986-05-15
N- 4- bromphenyl- n'- halogenphenylthiocarbamides, method for their preparation and their use
BG42260A1
(en )
1987-11-14
4- chlor- 5- alkyl (aryl) thio- 2- alkoxy- 5, 6, 7, 8, 9, 10- hexahydrobenz- 2h- 1, 2- oxaphosphorine- 2- oxides, method for their preparation and use thereof