3-Fluoro-2-iodo-5-(trifluoromethoxy)pyridine-6-sulfonamide
2-Fluoro-6-iodo-3-(trifluoromethoxy)pyridine-4-sulfonamide
4-Chloro-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Fluoro-3-iodo-4-(trifluoromethoxy)pyridine-2-sulfonamide