IUPAC: ({[({[(2S,5R)-5-(2-amino-6-oxo-6,9-dihydro-3H-purin-9-yl)oxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid

SMILES: Nc1nc(=O)c2ncn([C@H]3CC[C@@H](COP(O)(=O)OP(O)(=O)OP(O)(O)=O)O3)c2[nH]1