2-Nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetic acid
2-Nitro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-acetic acid
Ethyl 5-nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 3-nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylate