1 C7G [(2~{R},3~{S},4~{S},5~{S})-5-(6-aminopurin-9-yl)-4-[(2~{S},3~{S},4~{S},5~{S})-5-[[[[(2~{R},3~{R},4~{S},5~{S})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxymethyl]-3,4-bis(oxidanyl)oxolan-2-yl]oxy-3-oxidanyl-oxolan-2-yl]methyl phosphono hydrogen phosphate 1.000 2 A1L15 [[(2~{R},3~{R},4~{R},5~{R})-5-(6-aminopurin-9-yl)-4-[(2~{S},3~{R},4~{S},5~{R})-5-[[[[(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxymethyl]-3,4-bis(oxidanyl)oxolan-2-yl]oxy-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.910