2-Chloro-5-(3-ethoxycarbonylbenzoyl)pyridine

Ethyl 4-(6-chloropyridin-3-yl)-4-oxobutyrate

8-(2-Chloro-3-pyridyl)-8-oxooctanenitrile

2-chloro-5-(6-chlorohexanoyl)pyridine

4-(2-Thenoyl)pyridine

3-Benzoylthiophene

3-(3-methoxybenzoyl)thiophene

3-(2-thiomethylbenzoyl)thiophene

3-(3-Fluorobenzoyl)thiophene

3-(3-Chlorobenzoyl)thiophene

3-(4-Trifluoromethylbenzoyl)thiophene