3”-O-Demethyl Ivermectin

Chemical Name: Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriative.

Smile: O[C@@H]1[C@@H](O)[C@H](C)O[C@@H](O[C@@H]2[C@@H](OC)C[C@H](O[C@@](/C(C)=C/C[C@]3([H])C[C@@](O4)([H])O[C@@]5(O[C@]([H])([C@](C)([H])CC)[C@@]([H])(C)CC5)C3)([H])[C@@]([H])(C)/C=C/C=C(CO6)/[C@@]([C@@]6([H])[C@@](O)([H])C(C)=C7)(O)[C@]7([H])C4=O)O[C@H]2C)C1