The molecule is an organic phosphoramidate anion obtained by removal of the proton from the phosphoramidate OH group of N(epsilon)-(5'-guanylyl)-N(alpha)-acetyl-L-lysine methyl ester; major species at pH 7.3. It derives from a guanosine 5'-monophosphate. It is a conjugate base of a N(epsilon)-GMP-N(alpha)-acetyl-L-lysine methyl ester.
[[(5S)-5-acetamido-6-methoxy-6-oxohexyl]amino]-[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy]phosphinate