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