Ethyl 3-methoxy-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
5-Methoxy-4-nitro-3-(trifluoromethoxy)pyridine-2-methanol
3-(Difluoromethyl)-5-methoxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Methoxy-4-nitro-2-(trifluoromethoxy)pyridine-5-methanol