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