COC(=O)c1c(O)cccc1OCCCCNC(=O)[C@H](Cc2ccc(OC(C([O-])=O)C([O-])=O)cc2)NC(=O)OC(C)(C)C 941_322_1PYN 4.312 212.687 43 602.593 14 3 2 18 530.093