6-(Chloromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid
2-(Chloromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylic acid
5-(Chloromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetonitrile
2-(Difluoromethyl)-3-iodopyridine-6-carbonyl chloride