2-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-sulfonamide
2-(Bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-methanol
6-Nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-sulfonamide
Methyl 3-(bromomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate