C[C@H]([NH2+]C[C@@H](O)[C@H](Cc1ccccc1)NC(=O)c3cccc(N(c2ccccc2)S(C)(=O)=O)c3)C(=O)NC4CCCCC4 XFI_A1448_2XFI 4.554 132.409 43 607.797 9 5 1 13 562.448