4-Nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-sulfonamide
2-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-sulfonamide
3-Nitro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-sulfonamide