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1989-05-25
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1989-10-02
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1991-02-28
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1989-02-28
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1988-02-15
Derivatives of hydrazides and method for their preparation
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1990-10-31
Novel bisbenzotrifluoride derivatives and method of preparing same
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1990-09-14
Method and composition for preparing of polyesteralcohols
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1987-09-15
Derivatives of alkylthienyl- aminoalcohols and method for their preparation
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1987-11-14
Malonoylic derivatives of 3- methyl- 1- phenylpyrazolon- 5 and method for their preparation
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1988-10-14
Azomethinic derivatives of 5- nitrofurfurol and method for its preparation
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1988-08-15
Polymer derivatives of cysteinsulphonamide and method for its preparation
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1988-01-15
Derivatives of naphthalene and method for their preparation
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1988-09-15
Derivatives of n- substituted- 2- oxazolidones and method for their preparation
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1988-05-16
Derivatives of 1- benzhydrylpiperazine and method for their preparation
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1988-04-15
Derivatives of bis (naphtholsulpho-) terephtaloylimides and method for their preparation
BG43082A1
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation
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1987-09-15
Derivatives of 5- substituted- 2- oxazolidones and method for their preparations
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1987-10-15
Derivative of 4- chlor- 2- nitrobenzene and method for its preparation
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1990-01-31
Y-lactone derivatives and process of preparing same
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1990-01-15
Derivatives of benzoxalon and method for its preparation
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1990-05-15
Derivatives of cyclohexylthiocarbamide and method for its preparing
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1986-04-25
Novel pyridoindol derivatives method for their preparation and their application
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1987-02-16
Derivatives of 3- cynamoyl- 2h- 1- benzopyran- 2- on and method for their preparing