The molecule is a dehydroamino acid that is the 2,3-didehydro derivative of tryptophan. It is a conjugate acid of an alpha,beta-didehydrotryptophanate(1-). It is a tautomer of a 2-iminio-3-(indol-3-yl)propanoate, an alpha,beta-didehydrotryptophan zwitterion and a 2-imino-3-(indol-3-yl)propanoic acid.
(Z)-2-amino-3-(1H-indol-3-yl)prop-2-enoic acid