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