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