Methyl 2-cyano-6-iodo-5-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Cyano-5-(difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine
6-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylic acid