guanosine 5'-[beta,gamma-imido]triphosphate tetralithium Guanosine 5′-[β,γ-imido]triphosphate tetralithium salt β,γ-Imidoguanosine 5′-triphosphate tetralithium salt 5'-GUANYLYL-IMIDODIPHOSPHATE TETRALITHIUM 5'-GUANYLYL-IMIDODIPHOSPHATE TETRALITHIUM SALT 5'-GUANYLIC ACID, MONOANHYDRIDE WITH IMIDODIPHOSPHORIC ACID, TETRALITHIUM GUANYLYL-IMIDODIPHOSPHATE, TETRALITHIUM GUANYLYL-IMIDODIPHOSPHATE TETRALITHIUM SALT