2-甲基嘧啶-5-甲腈

9-methyl-benzo[5,6]chromeno[2,3-d]pyrimidin-12-one

(2-hydroxyphenyl)-(2-methylpyrimidin-5-yl)methanone

2-methyl-5H-chromeno[4,3-d]pyrimidin-5-ol

3-nitroimidazo[1,2-a]pyridine-2-carboxamide