[O-]C(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@@H]3CCCC3[P@]([O-])(=O)C(Cc4ccccc4)NC(=O)OCc5ccccc5 RX3_680_2OC2 2.482 163.477 44 615.623 10 3 1 13 542.755