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