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