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