Nc4ncnc5n([C@@H]3O[C@H](Cn2cc(CNC(=O)c1cc(N(=O)=O)cc(O)c1O)nn2)[C@@H](O)[C@H]3O)cnc45 FBN_304_3A7D -0.155 265.419 38 528.442 18 7 3 7 417.942