4-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carbonyl chloride
Ethyl 2-(difluoromethyl)-6-methoxypyridine-4-acetate
6-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carbonyl chloride