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