Synonyms: 3H-Imidazo[2,1-i]purine,3-[3-O-phosphono-5-O-(1,3,7-trihydroxy-15-mercapto-6,6-dimethyl-8,12-dioxo-2,4-dioxa-9,13-diaza-1,3-diphosphapentadec-1-yl)-b-D-ribofuranosyl]-, P,P'-dioxide,dilithium salt, (R)-; 3H-Imidazo[2,1-i]purine,3-[3-O-phosphono-5-O-(1,3,7-trihydroxy-15-mercapto-6,6-dimethyl-1,3-dioxido-8,12-dioxo-2,4-dioxa-9,13-diaza-1,3-diphosphapentadec-1-yl)-b-D-ribofuranosyl]-, dilithiumsalt, (R)-