CCCCCNC(=O)[C@H](Cc1ccc(C(F)(F)P([O-])([O-])=O)cc1)NC(=O)C(CC([O-])=O)NC(=O)Cc2ccc(C(F)(F)P([O-])([O-])=O)cc2 SNA_401_1PXH 1.353 253.792 48 722.498 14 3 2 18 572.224