1177261-73-2

Terazosin Impurity B Terazosin EP IImpurity B Terazosin USP Related Compound B Terazosin Hydrochloride Dihydrate Impurity B Terazosin Impurity 3(Terazosin EP Impurity B) Terazosin Hydrochloride Dihydrate EP Impurity B Terazosin EP Impurity B/ Terazosin Related Compound B 6,7-dimethoxy-2-[4-(oxolane-2-carbonyl)piperazin-1-yl]-1H-quinazolin-4-one 6,7-DiMethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one 6,7-Dimethoxy-2-[4-[(tetrahydro-2-furanyl)carbonyl]-1-piperazinyl]-4(3H)-quinazolinone 4(3H)-Quinazolinone, 6,7-dimethoxy-2-[4-[(tetrahydro-2-furanyl)carbonyl]-1-piperazinyl]- Terazosin Hydrochloride Impurity Ⅲ：6,7-Dimethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one Terazosin Hydrochloride Impurity Ⅲ：6,7-Dimethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one