decarboxytiaprofenic acid

1-(5-benzoylthiophen-2-yl)ethanone

[5-(1-hydroxyethyl)thiophen-2-yl]-phenylmethanone

[5-(1-methoxyethyl)thiophen-2-yl]-phenylmethanone

5,6,7,8-四氢-5-氧代-2-萘羧酸甲酯