2-(Difluoromethyl)pyridine-4-carboxaldehyde
4-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-(Difluoromethyl)-3-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carbonyl chloride