The molecule is a zwitterion resulting from the transfer of a proton from the carboxy group to the nitrogen of the imino tautomer of 7-chloro-alpha,beta-didehydrotryptophan. It is a conjugate acid of a 2-imino-3-(7-chloroindol-3-yl)propionate(1-). It is a tautomer of a 7-chloro-alpha,beta-didehydrotryptophan.
3-(7-chloro-1H-indol-3-yl)-2-iminopropanoic acid