3-Nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxaldehyde
2-Nitro-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxaldehyde
2-Nitro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxaldehyde
3-Nitro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-methanol