Dalbavancin Impurity 1

Chemical Name: (3S,15R,18R,34R,35S,38S,48R,50aR)-5,31-dichloro-38-{[3-(dimethylamino)propyl]carbamoyl}-6,11,34,40,44,56-hexahydroxy-42-(a-D-mannopyranosyloxy)-15-(methylamino)-2,16,36,50,51,59-hexaoxo-2,3,16,17,18,19,35,36,37,38,48,49,50,50a-tetradecahydro-1H,15H,34H-20,23:30,33-dietheno-3,18:35,48-bis(iminomethano)-4,8:10,14:25,28:43,47-tetramethano[1,14,6,22]dioxadiazacyclooctacosino[4,5-m][10,2,16]benzoxadiazacyclotetracosin

Synonym: Pemetrexed USP impurity b

Smile: OC1=C(OC2=CC=C(C3)C=C2)C=C4C=C1OC5=C(Cl)C=C([C@]([H])([C@@]([H])(C(N[C@]6([H])C(NCCCN(C)C)=O)=O)NC([C@@]([H])(C7=CC(C8=C6C=C(O)C=C8O[C@H]9O[C@H](CO)[C@@H](O)[C@H](O)[C@@H]9O)=C(O)C=C7)NC([C@]4([H])NC([C@@](C%10=C(Cl)C(O)=CC%11=C%10)([H])NC([C@]3([H])NC([C@](C%12=CC=C(O)C(O%11)=C%12)([H])NC)=O)=O)=O)=O)=O)O)C=C5