Ethyl 2-iodo-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
3-(Chloromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
5-(Chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Chloromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid