3-Chloro-2-nitro-6-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 2-cyano-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
2-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-6-acetic acid
2-Chloro-6-nitro-5-(trifluoromethoxy)pyridine-3-acetic acid