Ivermectin EP Impurity D

Chemical Name: 5-O-demethyl-28-oxo-22,23-dihydroavermectin A1a (as per EP)

Smile: C[C@H]([C@@]([C@H](CC1)C)([H])O[C@]21C[C@](OC([C@@](C=C(C)[C@@H](O)[C@@]3([H])OC4=O)([H])[C@@]3(/C4=C/C=C/[C@@H]5C)O)=O)([H])C[C@](C/C=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)\C)([H])O2)CC