2-(4-bromophenyl)-6-phenyl-4H-pyran-4-one

1-(4-bromophenyl)-5-phenylpent-4-yne-1,3-dione

2-(4-methylphenyl)-6-phenylpyran-4-one

1-(4-methylphenyl)-5-phenylpent-4-yne-1,3-dione

3-羧基-1,4-二甲基-吡咯-2-乙酸