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