Methyl 2-(bromomethyl)-4-(difluoromethyl)-3-methoxypyridine-5-carboxylate
4-(Bromomethyl)-2-(difluoromethyl)-3-methoxypyridine-6-carboxylic acid
Methyl 2-(bromomethyl)-3-(difluoromethyl)-6-methoxypyridine-4-carboxylate
Methyl 2-(bromomethyl)-3-(difluoromethyl)-5-methoxypyridine-4-carboxylate