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