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