5'-guanylylmethylenebisphosphonate [ GMP-PCP,GMPCPP,GMPPCP,GppCH2p,guanosine 5'-(beta,gamma-methylene)-diphosphate,guanyl-5'-ylmethylenediphosphonate,guanylyl-(alpha,beta)-methylene-diphosphonate,guanylyl-(beta,gamma-methylene)diphosphonate,guanylyl-methylene diphosphate ] also known as GDP-CH2P