4-羟基-6-甲基喹唑啉

2-去氨基-2,3-二甲基-N(10)-炔丙基-5,8-二去氮杂叶酸

(2S)-2-[[4-[(2-methyl-4-oxo-1H-quinazolin-6-yl)methyl-prop-2-ynylamino]benzoyl]amino]pentanedioic acid

6-methyl-3-(2-methylpropyl)quinazolin-4-one

6-methyl-2-phenyl-3,1-benzoxazin-4-one