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