Ivermectin EP Impurity C

Chemical Name: (23S)-5-O-demethyl-23-hydroxy-22,23-dihydroavermectin A1a (as per EP)

Smile: C[C@H]([C@@]([C@H]([C@@H](O)C1)C)([H])O[C@]21C[C@](OC([C@@](C=C(C)[C@@H](O)[C@@]3([H])OC/C4=C\C=C\[C@H](C)[C@@H]5O[C@@](O[C@@H](C)[C@@H]6O[C@@](O[C@@H](C)[C@@H]7O)([H])C[C@@H]7OC)([H])C[C@@H]6OC)([H])[C@@]34O)=O)([H])C[C@](C/C=C5\C)([H])O2)CC