3'-Fluoro-2-iodo-5'-methylbenzophenone

2-Bromo-4'-(methylthio)benzophenone

4-Iodo-3',4',5'-trifluorobenzophenone

3,5-Difluoro-3',4',5'-trifluorobenzophenone

2-Chloro-3-[2-(3-cyanophenyl)-1-oxoethyl]pyridine

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

2-chloro-5-(5-ethoxycarbonyl-2-furoyl)pyridine

ethyl 5-(2-thenoyl)-2-furoate

Ethyl 5-(2-furanoyl)-2-furoate

2-chloro-3-(7-chloroheptanoyl)pyridine

2-Chloro-5-(2-furanoyl)pyridine