2-oxo-4,6-diphenylcyclohex-3-ene-1-carboxamide

2-methyl-4,6-diphenyl-1,4-dihydropyridine-3-carboxamide

4-methyl-2-(2-oxochromen-3-yl)chromeno[3,4-c]pyridin-5-one

2-methyl-3-oxobutanamide