CCCCCC[NH+](C)C[C@@H](O)[C@H](CC([O-])=O)NC(=O)[C@H](CC)n2cc(C(C)(C)C)nc(NCc1nonc1C)c2=O PZN_501_1RHJ 3.299 179.738 41 577.727 13 4 2 18 554.993