1 K2H (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-[[3-(6-azanyl-9~{H}-purin-8-yl)prop-2-ynyl-methyl-amino]methyl]oxolane-3,4-diol 1.000 2 K3H (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-[[3-[6-azanyl-9-[(2~{R},3~{R},4~{S},5~{R})-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl]purin-8-yl]prop-2-ynyl-methyl-amino]methyl]oxolane-3,4-diol 0.786 3 K38 (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-[[3-[6-azanyl-9-[(2~{R},3~{R},4~{S},5~{R})-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl]purin-8-yl]prop-2-ynylamino]methyl]oxolane-3,4-diol 0.762 4 Q9K (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-[[3-[6-azanyl-9-[(2~{R},3~{R},4~{S},5~{R})-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl]purin-8-yl]prop-2-ynyl-(3-azanylpropyl)amino]methyl]oxolane-3,4-diol 0.733 5 K28 [(2~{R},3~{R},4~{R},5~{R})-2-[8-[3-[[(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl-methyl-amino]prop-1-ynyl]-6-azanyl-purin-9-yl]-5-(hydroxymethyl)-4-oxidanyl-oxolan-3-yl] dihydrogen phosphate 0.717