Aloenin B, a compound isolated from the leaves and roots of Aloe vera, has neuroprotective activity against glutamate-induced neuronal death in HT22 cells.

(2R)-2',4',5,7-Tetrahydroxyflavanone-7,4′-di-O-β-D-glucoside

N-Acetyldopamine dimer-3 (compound 11) is a natural product that can be found in Aspongopus chinensis.