Ethyl 2-methyl-3-nitro-6-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-methyl-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-methyl-6-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate
4-Methyl-2-nitro-5-(trifluoromethoxy)pyridine-3-methanol