The molecule is a monocarboxylic acid anion that is the conjugate base of 2-imino-3-(indol-3-yl)propanoic acid, obtained by deprotonation of the carboxy group. It has a role as a bacterial metabolite. It is a conjugate base of a 2-imino-3-(indol-3-yl)propanoic acid and a 2-iminio-3-(indol-3-yl)propanoate.
2-imino-3-(1H-indol-3-yl)propanoate