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