Isobutyrylshikonin and isovalerylshikonin from the roots of Onosma visianii inhibit larval growth of the tobacco cutworm Spodoptera littoralis
Keywords: مشتقات شیکونین; Acetyl cholinesterase (AChE); Botanical insecticide; 1H NMR; Onosma visianii Clem; Shikonin derivatives; Spodoptera littoralis;