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