Fidaxomicin

Chemical Name: (2R,3S,4S,5S,6R)-6-(((3Z,5E,8S,9Z,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-8-hydroxy-18-((R)-1-hydroxyethyl)-9,13,15-trimethyl-2-oxooxacyclooctadeca-3,5,9,13,15-pentaen-3-yl)methoxy)-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2-ethyl-4,6-dihydroxybenzoate

Smile: O=C(O[C@@H]1[C@@H](C)O[C@@H](OC/C2=C/C=C/C[C@H](O)/C(C)=C\[C@H](CC)[C@@H](O[C@H]3[C@@H](O)[C@@H](O)[C@H](OC(C(C)C)=O)C(C)(C)O3)/C(C)=C/C(C)=C/C[C@@H]([C@H](O)C)OC2=O)[C@@H](OC)[C@H]1O)C4=C(O)C(Cl)=C(O)C(Cl)=C4CC