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1988-09-15
Method of obtaining derivatives of 2,3-dihydrofurene
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1992-02-16
Method of preparation of 3,5-dichloro-2,4,6-tri-fluoropyridine
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1988-12-30
Preparation of 1,2,4-triazol-3-ones
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1986-02-01
Preparation process of 4,4-dialkyl-2-azetidinones
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1989-02-23
2,4-dichlorothiazole derivatives and process for their preparation
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1989-05-12
Method of 2,6-dialkyl-n-(-methoxy-2-propyl)aniline preparation
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1989-11-14
Method of 2,6-dialkyl-n-/1 -methoxy-2-propylidene/aniline preparation
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1987-12-31
Preparation of 3,4-diamino-5-benzylpyrimidines
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1990-06-11
Method of obtaining 2,3-dibromide-2-butene-1,4-diole
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1989-05-12
Method of 2-methyl-6-etyl-n-(1-metoxy-2-propyl)aniline preparation
GB2185257B
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1989-10-18
10 beta-alkynyl-4, 9(11)-estradiene derivatives and process for their preparation
CS426688A1
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1989-05-12
Method of 2,6-dialkyl-n-(1-methoxy-2-propyl)anilines preparation
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1989-06-13
Method of 2,6-dialkyl-n-/1-methoxy-2-propyl/anilines preparation
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1989-10-16
Method of obtaining novel n-aminomethyl 1,2-benzoisothiazolynon-3-yl-acetamide
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1989-09-12
Method of bis-/2,4-dimercapto-6-triazinyl/-disulphide preparation
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1991-06-30
Preparation of 3,7-dialkylxanthines
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1990-12-19
Method for the preparation of 2,2-dialkylpropionaldehydes
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1989-11-14
Method of 2,6-dialkyl-n-/l-methoxy-2-propyl-aniline preparation
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1989-06-13
Method of 2,5-dibutoxy-4-morpholine-benzendiazononium preparation
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1989-03-14
Method of 0,0-dimethyl-s-phthalimidomethyldithiophosphate preparation
IL82570A0
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1987-11-30
Preparation of 3,4-dimethoxy-phenylacetone
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1989-12-11
Method of obtaining 2-n-butyl-3/3,5-diiodo-4-diethylaminoethoxybenzoilo/-benzofurane
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1989-12-13
Method of 1-acetoxy-3,7-dimethyl-9-/2 ,6 ,6 -trimethylcyclohexene-1 -yl/2,4,6,8-tetraene preparation
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation
BG43081A1
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation