Synonyms: N-Descarboxymethyl-N-carboxyethyl Lacosamide (Impurity), Propanamide, 3-methoxy-2-[(1-oxopropyl)amino]-N-(phenylmethyl)-, (2R)- (ACI), (2R)-3-Methoxy-2-[(1-oxopropyl)amino]-N-(phenylmethyl)propanamide (ACI), (R)-N-Benzyl-3-methoxy-2-propionamidopropanamide, (R)-N-benzyl-2-((1-hydroxypropylidene)amino)-3-methoxypropanimidic acid, N-Descarboxymethyl-N-carboxyethyl Lacosamide (Impurity)