4-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-sulfonamide
Ethyl 5-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
4-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-sulfonamide
5-Nitro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonamide