6-Bromo-4-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride
6-Bromo-4-(difluoromethyl)-3-fluoropyridine-2-sulfonyl chloride
2-Bromo-4-(difluoromethyl)-6-hydroxypyridine-3-acetic acid
2-Bromo-4-(difluoromethyl)-3-fluoropyridine-6-sulfonyl chloride