Methyl 3-bromo-2-(difluoromethyl)-6-methoxypyridine-5-acetate
3-Bromo-4-(difluoromethyl)-6-hydroxypyridine-2-sulfonyl chloride
Methyl 3-bromo-2-(difluoromethyl)-5-methoxypyridine-6-acetate
3-Bromo-4-(difluoromethyl)-5-hydroxypyridine-2-sulfonyl chloride