(2r,3r,4r,5r)-5-(2-amino-6-oxo-3,6-dihydro-9h-purin-9-yl)-2-({[({(3r,4r)-4-({[{[(2r,3r,4r,5r)-5-(2-amino-6-oxo-6,8-dihydro-9h-purin-9-yl)-2-(hydroxymethyl)-4-methoxytetrahydro-3-furanyl]oxy}(hydroxy)phosphoryl]oxy}methyl)-1-[(4-amino-5h-pyrrolo[3,2-d]pyrimidin-7-yl)methyl]-3-pyrrolidinyl}oxy)(hydroxy)phosphoryl]oxy}methyl)-4-methoxytetrahydro-3-furanyl 3-hydroxypropyl hydrogen phosphate (non-preferred name) - Open Babel Depiction