API |
IMPURITY |
CHEMICAL NAME |
STRUCTURE |
Doxazosin Mesilate |
EP Impurity A |
(2RS)-2,3-dihydro-1,4-benzodioxine-2-carboxylic acid |  |
Doxazosin Mesilate |
EP Impurity D |
6,7-dimethoxyquinazoline-2,4(1H,3H)-dione |  |
Doxazosin Mesilate |
EP Impurity E |
2,4-dichloro-6,7-dimethoxyquinazoline |  |