6-Nitro-2-(trifluoromethyl)nicotinaldehyde
2-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-3-hydroxy-5-nitro-4-(trifluoromethyl)pyridine
6-(Chloromethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride