The molecule is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of N-amidino-L-aspartic acid. It is a dicarboxylic acid dianion and a member of guanidines. It derives from a L-aspartate(2-). It is a conjugate base of a N-amidino-L-aspartic acid.
(2S)-2-(diaminomethylideneamino)butanedioate