[H][C@]1(COP(O)(=O)O[C@]2([H])[C@@]([H])(COP(O)([O-])=O)O[C@@]([H])(N3C=NC4=C3NC(=N)N=C4[O-])[C@]2([H])O)O[C@@]([H])(N2C=NC3=C2NC(=N)N=C3[O-])[C@]([H])(O)[C@]1([H])O