ACHE and Cognitive impairment: The optimal compound 19, 27, and 30 (human AChE IC50 = 10.2 ± 1.2, 16.5 ± 1.7, and 15.3 ± 1.8 nM, respectively) show good performance in ameliorating the scopolamine-induced cognition impairment and preliminary safety in hepatotoxicity evaluation.