英文别名Terazosin Impurity 9 (Terazosin EP Impurity I); Destetrahydrofuranyl-5-methyltetrahydrofuran-2-yl terazosin; [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-[(5S)-5-methyloxolan-2-yl]methanone; Terazosin EP Impurity I (Mixture of Diastereomers); Methanone, [4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-; Terazosin Impurity I; 1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-(((2RS,5S)-5-methyltetrahydrofuran-2-yl)carbonyl)piperazine; 6,7-dimethoxy-2-{4-[(5S)-5-methyloxolane-2-carbonyl]piperazin-1-yl}quinazolin-4-amine; Terazosin hydrochloride dihydrate impurity I [EP]; Terazosin hydrochloride dihydrate impurity I 
