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