PL262266A1
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1987-11-30
Method of obtaining novel heterocyclic phtalazinylacetic acids
PL253108A1
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1985-12-17
Method of obtaining novel derivatives of 1,4-dihydronaphtidrine and their salts
GB2163758B
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1988-05-11
Method of preparation of polyimide acids
PL254621A1
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1986-06-17
Method of obtaining 6 alpha-methylstereoides
PL255515A1
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1986-12-30
Method of obtaining 8-halogen-5,6-dialkoxyquinazolinodiones and their salts
PL255220A1
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1988-03-31
Method of obtaining derivatives of amino acids
DE3660912D1
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1988-11-17
Process for the preparation of acyloxybenzenesulphonic acids and their salts
PL252375A1
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1985-10-22
Method of obtaining novel substituted isochomates and oxepins and their addition salts with acids
PL254497A1
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1986-10-21
Method of obtaining derivatives of nitroapovincaminic acid
PL260626A1
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1987-06-15
Method of obtaining embonates of quinolonocarboxylic acids
BG40064A1
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1986-10-15
Method for obtaining ureido- beta- lactomic acids and their salts
PL252744A1
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1986-08-12
Method of obtaining isothiouronian salts
SU1174839A1
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1985-08-23
Method of determining alkylenephosphone acids
BG39549A1
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1986-07-15
Crystal salts of sulphaminic acids and method for their preparing
PL249253A3
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1987-07-13
Method of obtaining thiophosphonic acids
PL246908A1
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1985-11-05
Method of obtaining novel derivatives of dialkyl-aryl-dithiophosphoric acids
PL246907A1
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1985-11-05
Method of obtaining novel derivatives of dialkyl-alkyl-dithiophosphoric acids
PL245870A1
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1985-07-30
Method of obtaining hydroximic acids
BG39548A1
(en )
1986-07-15
Triethanolammonium salts of nitrosulphonic acids and method for their preparation
CS857588A1
(en )
1990-07-12
Salts of cyclobutanesulphonic acids and method of their preparation
BG38701A1
(en )
1986-02-14
Mono- quaternary salts of substituted styryl- 2- quinolines and method for their preparation
PL273586A1
(en )
1989-02-20
Method of obtaining perfluoroalkanocarboxylic acids and their derivatives
PL247318A1
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1986-03-25
Method of obtaining 3-methyl-2-thiophenylcarboxylamides and 3-methyl-2-thiophenylcarboxylthiamides
PL250949A2
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1985-12-03
Method of obtaining bromoaryloxyphosphazenes and aryloxyphosphazenes
BG37307A1
(en )
1985-05-15
Azoderivatives of 3- nitro- 4- aminophenylsulphonylazide and method for their preparing