阿维菌素 Abamectin(Mixture of Isomers)71751-41-2
(2S,2a'E,2a1'S,4'E,5S,6R,6'S,7'S,8'E,11'R,15'S,17a'R,20'R,20a'R)-6-((S)-仲丁基)-2a1',20'-二羟基-7'-(((2R,4S,5S,6S)-5-(((2S,4S,5S,6S)-5-羟基-4-甲氧基-6-甲基四氢-2H-吡喃-2-基)氧基)-4-甲氧基-6-甲基四氢-2H-吡喃-2-基)氧基)-5,6',8',19'-四甲基-