2-methyl-3-(4-nitrophenyl)quinazolin-4-one

3-(4-氯苯基)-2-甲基-4(3H)-喹唑啉酮

6-氨基-2-甲基-4(3H)-喹唑啉酮

2-甲基-3-苯基喹唑啉-4(3H)-酮

2-methyl-3-(4-methylphenyl)quinazolin-4-one