2,6-Disubstituted Piperidine Alkaloids with Neuroprotective Activity from Hippobroma longiflora. - Chen, Shu-Rong; Chen, Yih-Fung; Lin, Jue-Jun; Ke, Tzu-Yi; Lin, Yun-Sheng; Cheng, Yuan-Bin (Planta Medica, 2023)