Lacosamide Impurity - B

(R)-2-Acetamido-3-(benzyl amino)-3-oxopropyl Acetate; O-Acetyl Lacosamide; (2R)-2-(Acetylamino)-3-(acetyloxy)-N-(phenylmethyl)-propanamide; (R)-O-Acetyl-lacosamide;(2R)-2-(Acetylamino)-3-(benzylamino)-3-oxopropyl Acetate;