O[C@H]4[C@@H](O)[C@H](n2cnc3c(NCc1ccccc1)ncnc23)O[C@@H]4CO[P@@]([O-])(=O)OP([O-])([O-])=O NBS_1_1KSW -0.755 227.108 34 514.304 15 3 2 9 390.325