2-Bromo-6-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
6-(Difluoromethyl)-3-fluoro-2-nitropyridine-4-carboxaldehyde
Ethyl 3-(difluoromethyl)-2-methoxy-5-methylpyridine-6-carboxylate