Mupirocin USP Impurity 3 & 4

Chemical Name: 9-((e)-4-{(2s,3r,4r,5s)-3,4-dihydroxy-5-[(3-hydroxy-4,5-dimethyltetrahydrofuran-2-yl)methyl]tetrahydro-2h-pyran-2-yl}-3-methylbut-2-enoyl oxy)nonanoic acid

Smile: O=C(O)CCCCCCCCOC(/C=C(C)/C[C@H]1[C@H](O)[C@H](O)[C@@H](CC2OC(C)C(C)C2O)CO1)=O