5'-Guanylylmethylenediphosphonate, GCP, 5'-Guanosyl-methylene-triphosphate, guanosine 5'-[beta,gamma-methylene]triphosphate, GMPPCP, EINECS 237-685-2, 5'-o-[(s)-hydroxy{[(r)-hydroxy(phosphonomethyl)phosphoryl]oxy}phosphoryl]guanosine, [[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]methylphosphonic acid, Gabmtp, 5'-Guanylylmethylenebisphosphonate, Guanosine 5'-monophosphate,monoanhydride with (phosphonomethyl)phosphonic acid