COc3cc([C@@H](Nc1ccc(C(N)=[NH2+])cc1)C(=O)N[C@H](C([O-])=O)c2ccccc2)ccc3OCc4ccccc4 413_H1261_1W7X 2.938 151.335 40 538.604 9 6 2 12 487.589