5-Bromo-4-(difluoromethyl)-2-methoxypyridine-3-sulfonamide
5-Bromo-4-(difluoromethyl)-3-methoxypyridine-2-sulfonamide
6-Bromo-3-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-Bromo-4-(difluoromethyl)-6-methylpyridine-3-carbonyl chloride