Fidaxomicin Impurity 3

Chemical Name: (2S,3R,4R,5R,6S)-6-(((3E,5Z,9E,11S,12R,13E,15E,18S)-12-(((2R,3S,4R,5S)-3,4-dihydroxy-5-(isobutyryloxy)-6,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-ethyl-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2,8-dioxooxacyclooctadeca-3,5,9,13,15-pentaen-3-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2,4-dihydroxy-6-methylbenzoate

Smile: O[C@H]([C@H]1OC(C2=C(C)C(Cl)=C(O)C(Cl)=C2O)=O)[C@@H](OC)[C@@H](OC/C(C(O[C@]([H])([C@@H](C)O)C/C=C(C)/C=C(C)/[C@H](O[C@H]3[C@@H](O)[C@@H](O)[C@H](OC(C(C)C)=O)C(O3)(C)C)[C@@H](CC)/C=C4\C)=O)=C\C=C/CC4=O)O[C@H]1C