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