2-甲基-3-苯基喹唑啉-4(3H)-酮

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

2-[3-methyl-5-(2-nitrophenyl)-1,2,4-triazol-4-yl]benzoic acid

2-[(2-methylanilino)methyl]-3-[5-[(2-methylanilino)methyl]-1,3,4-thiadiazol-2-yl]quinazolin-4-one

2-[2-(3-nitro-4-oxocyclohexa-2,5-dien-1-ylidene)ethylidene]-1H-quinazolin-4-one