3-(Chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Chloromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-4-acetic acid
4-Methoxy-3-nitro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-(Difluoromethyl)-6-nitro-5-(trifluoromethyl)pyridine-3-sulfonyl chloride