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