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