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