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