Avermectin B1b

Chemical Name: 5-O-Demethyl-25-de(1-methylpropyl)-25-(1-methylethyl)avermectin A1a (> 95%)

Smile: O=C1[C@]2([H])C=C(C)[C@@H](O)[C@]3([H])[C@@]2(O)/C(CO3)=C/C=C/[C@H](C)[C@H](O[C@]4([H])O[C@@H](C)[C@H](O[C@@H]5O[C@@H](C)[C@H](O)[C@@H](OC)C5)[C@@H](OC)C4)/C(C)=C/C[C@@](C6)([H])O[C@@]7(C=C[C@H](C)[C@@H](C(C)C)O7)C[C@H]6O1