2-(Bromomethyl)-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-sulfonyl chloride
5-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-(Bromomethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-sulfonyl chloride
3-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine