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1998-04-30
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1997-02-26
Method of preparing 1-N-ethylgentamicin derivatives
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1996-12-09
Method of obtaining clavilanic acid salts
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1992-08-24
Method of obtaining derivatives of benzoic acid
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1995-07-24
Method of hydroxycarbonylating pentenic acids
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1999-11-08
Method of obtaining hydroxylammonia salts
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1992-04-06
Method of obtaining derivatives of benzoic acid
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1994-07-25
Method of obtaining sodium salts of 1-alkylpyril-2-sulfonic acids
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1995-12-27
Method of obtaining condenset carbapenemic derivatives
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1998-04-27
Method of synthesising derivatives of vinylsulphenic acids
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1997-05-26
Novel sodium salts of carboxylic acids constituting derivatives of 1,3-dioxane and method of obtaining such salts
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1997-02-17
Method of obtaining sodium salts of p-(1-alkyl pyrrylo-2-azo)-benzenosulphonic acids
PL283981A1
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1991-08-26
Method of obtaining -n-perhydroheterocycloalkyl acids
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1995-12-27
Method of obtaining alkylbenzenosulphonic acid
HU9200567D0
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1992-05-28
Method for producing water soluble fatty acids and alkali salts thereof
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1994-05-16
Method of obtaining crystalline sodium salt of cephoperazone
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1993-06-14
Method of obtaining antranilic acid
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1997-06-23
Method of obtaining 2-aminoalcanic acids
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1995-03-06
Method of obtaining sodium salt of a feerous 1-nitroso-2-naphthol
PL315423A1
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1997-02-03
Method of obtaining naphtyridinocarboxylic acids and their salts
IE892908L
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1990-03-12
Salt of 5-beta-cholanic-24 acids
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1992-10-05
Method of obtaining thiocarbonic salts
RO102065B1
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1992-07-05
Sodium salt cefotaxime obtaining method
PL296636A1
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1993-07-26
Method of obtaining novel derivatives of amino acids
PL272125A2
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1989-05-02
Method of manufacture of arylsulfonalcane acids