[5-[(benzyloxycarbonyl)amino]-2-phenyl-6-oxo-1,6-dihydro-1-pyrimidinyl]acetaldehyde dimethyl acetal

α-chlorophenylformamidine hydrochloride

苯甲腈

氯甲酸苄酯

5-amino-1-(2,2-dimethoxyethyl)-6-oxo-2-phenyl-1,6-dihydropyrimidine