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