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