(2R,3R,4R,5R)-5-(2-amino-6-oxo-3,6-dihydro-9H-purin-9-yl)-2-({[(S)-({(3R,4R)-4-({[(S)-{[(2R,3R,4R,5R)-5-(2-amino-6-oxo-6,8-dihydro-9H-purin-9-yl)-2-(hydroxymethyl)-4-methoxytetrahydrofuran-3-yl]oxy}(hydroxy)phosphoryl]oxy}methyl)-1-[(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl]pyrrolidin-3-yl}oxy)(hydroxy)phosphoryl]oxy}methyl)-4-methoxytetrahydrofuran-3-yl 3-hydroxypropyl hydrogen (S)-phosphate

(2R,3R,4R,5R)-5-(2-amino-6-oxo-3,6-dihydro-9H-purin-9-yl)-2-({[(S)-({(3R,4R)-4-({[(S)-{[(2R,3R,4R,5R)-5-(2-amino-6-oxo-6,8-dihydro-9H-purin-9-yl)-2-(hydroxymethyl)-4-methoxytetrahydrofuran-3-yl]oxy}(hydroxy)phosphoryl]oxy}methyl)-1-[(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl]pyrrolidin-3-yl}oxy)(hydroxy)phosphoryl]oxy}methyl)-4-methoxytetrahydrofuran-3-yl 3-hydroxypropyl hydrogen (S)-phosphate (non-preferred name)

[(2R,3R,4R,5R)-5-(2-azanyl-6-oxo-3H-purin-9-yl)-2-[[[(3R,4R)-4-[[[(2R,3R,4R,5R)-5-(2-azanyl-6-oxo-8H-purin-9-yl)-2-(hydroxymethyl)-4-methoxy-oxolan-3-yl]oxy-hydroxy-phosphoryl]oxymethyl]-1-[(4-azanyl-5H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl]pyrrolidin-3-yl]oxy-hydroxy-phosphoryl]oxymethyl]-4-methoxy-oxolan-3-yl] 3-hydroxypropyl hydrogen phosphate