3-[(4-chlorophenyl)methylideneamino]-2-methylquinazolin-4-one

2-methyl-3-(2-nitro-benzylideneamino)-3H-quinazolin-4-one

乙酸乙酯

2-methyl-3-hydroxy-1,2-dihydroquinazolin-4-one

三聚乙醛