5-Chloro-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-5-cyano-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Chloro-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 2-chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate