The molecule is a zwitterion resulting from the transfer of a proton from the carboxy group to the nitrogen of 2-iminopropionic acid. It is a conjugate acid of a 2-iminopropanoate. It is a tautomer of a 2-aminoacrylic acid, a 2-ammonioprop-2-enoate and a 2-iminopropionic acid.
2-iminopropanoic acid