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1983-08-01
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1984-12-31
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1987-08-04
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1989-12-31
Process for obtaining crystalline 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl)-piperazine hydrochloride
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1986-08-28
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1987-10-28
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1988-03-15
Method for preparing crystal alpha form of 1- (4- amino- 6, 7- dimetoxy- 2- quanazolyl)- 4- (2- furoyl)- piperazine hydrochloride
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1990-08-15
Method for preparing of crystal alpha- form of 1- (4- amino- 6, 7- dimetoxy- 2- quinazolinyl)- 4- (2- furoyl)- piperazine hydrochloride
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1989-08-14
Method of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl) piperazine's hydrochloride's crystalline alpha-form production
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1996-06-28
Method for the preparation of crystalline -form of 1-(4-amino-6-7-dimethoxyquinazolin-2-yl)-4-(2-furoyl)-piperazine hydrochloride
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1985-07-31
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1985-08-16
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Process for the preparation of 4-amino-2/4-/2-furoyl/piperazin-1-yl/-6,7-dimethoxyquinazoline hydrochloride
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