2-phenyl-2,3-dihydrochromeno[2,3-d]pyrimidin-4-one

丙二酰胺

3-苯甲酰基香豆素

2-甲基苯甲醇

2-(4-chlorophenyl)-4-oxo-2,3-dihydrobenzopyrano[2,3-d]pyrimidine