Avermectin A1a, 5-O-demethyl-22,23-dihydro-;Avermectin A1a, 22,23-dihydro-5-O-demethyl-;Dihydroavermectin B1a;22,23-Dihydroavermectin B(1)a;Avermectin A1a,5-O-demethyl-22,23-dihydro-;22,23-Dihydro-5-O-demethylavermectin A1a;Ivermectin B1a;
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