[(6,7-dimethoxyquinazolin-4-yl)amino]urea,hydrochloride

[(2-chloro-6,7-dimethoxyquinazolin-4-yl)amino]urea

[(2-hydrazinyl-6,7-dimethoxyquinazolin-4-yl)amino]urea,hydrochloride

N-苄基-2-氯嘧啶-4-胺

N-benzyl-2-chloro-6,7-dimethoxyquinazolin-4-amine