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