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