NC(=[NH2+])c4cccc(C[C@H](NS(=O)(=O)c2ccc1ccccc1c2)C(=O)N3CCCC[C@@H]3C([O-])=O)c4 FD1_999_1K1I 0.378 158.22 36 508.6 9 5 1 8 442.412