The molecule is a beta-amino-acid anion obtained by deprotonation of the side-chain carboxy group of N-(alpha-L-aspartyl)-2-naphthylamine. It is a conjugate base of a N-(alpha-L-aspartyl)-2-naphthylamine.
(3S)-3-amino-4-(naphthalen-2-ylamino)-4-oxobutanoate