Methyl 3-methyl-2-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-methyl-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-methyl-6-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate
2-(Bromomethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetonitrile