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