5-(Bromomethyl)-4-(difluoromethyl)-3-methylpyridine-2-carboxylic acid
3-(Bromomethyl)-4-(difluoromethyl)-5-methylpyridine-2-carboxylic acid
4-(Bromomethyl)-3-(difluoromethyl)-5-methylpyridine-2-acetonitrile
4-(Bromomethyl)-3-(difluoromethyl)-2-methylpyridine-6-acetonitrile