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. 2012 Sep;20(5):446–456. doi: 10.4062/biomolther.2012.20.5.446

Fig. 2. Chemical structures of three synthetic benzimidazole-derivative adaptogens: (A) dibazol (2-benzyl-benzimidazole), (B) levamisole ((-)-2,3,5,6-tetrahydro-6-phenylimidazo[2,1-b]thiazole hydrochloride), (C) afobazol (5-ethoxy-2-[2-(morpholino)-ethylthio]benzimidazole).

Fig. 2.