Synonyms: Benzenebutanoicacid, a-[(1-carboxyethyl)amino]-,monoethyl ester, [S-(R*,R*)]-;Benzenebutanoic acid, a-[[(1S)-1-carboxyethyl]amino]-,monoethyl ester, (aS)- (9CI);N-[(S)-1-Ethoxycarbonyl-3-phenylpropyl]-L-alanine;N-[1(S)-Ethoxycarbonyl-3-phenylpropyl]-L-alanine;N-(1-(S)-(Ethoxycarbonyl)-3-phenylpropyl)-L-alanine(ECPPA);