2-(Difluoromethyl)-5-methoxypyridine-3-sulfonyl chloride
6-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
2-(Chloromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
Methyl 2-(chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylate