EP0305662A3
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1990-03-07
Trisodium salt of 2,4,6-trisodium mercapto-s-triazine nonahydrate, and preparation method
PL277488A1
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1989-10-16
Method of obtaining n-phosphono-methyliminoacetic acid
PL272668A1
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1989-02-20
Method of obtaining 4,4'-dinitroethylbenedisulfonic-2,2'acid
CS8703287A1
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1989-09-12
Method of 2-benzothiazolsulphenic acid's sulphenamides preparation
CS278088A1
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1989-09-12
Method of sieved pectic acid's preparation
IL92279A0
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1990-07-26
Preparation of 2-chloro-4-toluenesulfonic acid
GB2199035B
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1990-06-13
Method of preparing 4-trifluoromethyl-2-nitrobenzoic acid and novel isomer
CS275186B2
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1992-02-19
Method of 7-aminocephalosporaneic acid's preparation
CS286788A1
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1990-06-13
Method of 2, 3 to 4, 6-diisopropylidene-2-keto-l-gulonic acid preparation
CS706288A1
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1990-01-12
Dithioderivatives of carbamoyl-4-hydroxybutanesulphonic acid and method of its preparation
CS810187A2
(en )
1989-07-12
Method of 2-guanidinothiazole's derivative production
PL274916A1
(en )
1990-04-02
Method of obtaining 2,2'-dithiodibenzoic acid
CS682488A1
(en )
1989-09-12
Method of pentachlorohydroxoplatinic acid preparation
CS561288A1
(en )
1989-06-13
Method of digalacturonic acid preparation
CS612488A1
(en )
1989-09-12
Method of alpha-dialkylaminoacrylic acid's esters preparation
CS391288A1
(en )
1989-04-14
Method of 3,4-dichloroaniline-6-sulphonic acid's production
CS233488A1
(en )
1989-03-14
Method of 1,3,6-trisulphonic acid's naphthalene preparation
CS841188A1
(en )
1989-07-12
Method of trisdiethylaminosiliciumchloride preparation
CS150288A1
(en )
1990-09-12
2-amino-2-hydroxymethyl-3,4-trans-epoxy-14-oxo-6-trans-eikosenic acid and method of its preparation
CS26490A2
(en )
1991-08-13
Method of clofibric acid's 2-halogenethylesters preparation
CS745489A2
(en )
1991-07-16
Method of 3,4-dichloroaniline-6-sulphonic acid's insulation
CS345188A1
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1989-10-13
Method of lysergic acid's isomers determination
MN333A8
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1985-06-15
Preparation method of the "chigatussin" medicine
CS306986A1
(en )
1989-06-13
Dithioderivatives of 0-carbamoylmethyl-4-hydroxybutanesulphonic acid and method of their preparation
CS741087A1
(en )
1989-05-12
Method of 3/2-ethylio-6-benzothiazolylaminomethyl/-2-benzothiazolinethione preparation