The molecule is a phosphoramide consisting of L-lombricine having a phospho group attached to the guanidine. It derives from a L-lombricine. It is a conjugate acid of a N-phosphonato-L-lombricine(2-). It is an enantiomer of a N-phospho-D-lombricine.
(2S)-2-amino-3-[2-[[amino-(phosphonoamino)methylidene]amino]ethoxy-hydroxyphosphoryl]oxypropanoic acid