6-[1-(4-fluoroanilino)ethylidene]cyclohexa-2,4-dien-1-one

2-(4-chloro-3-nitrophenyl)chromen-4-one

2,6-二羟基黄酮

2-acetyl-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one

2-[2-(4-methoxyphenyl)ethyl]chromen-4-one