Gabmtp guanosine 5'-(alpha,beta-methylene)triphosphate Guanosine, 5'-(hydrogen ((hydroxy(phosphonooxy)phosphinyl)methyl)phosphonate) Pp(ch2)pg Guanosine, 5'-[hydrogen P-[[hydroxy(phosphonooxy)phosphinyl]methyl]phosphonate] Guanosine-5'-[(a,beta)-methyleno]triphosphate sodium salt