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