Lotusine is a pure alkaloid extracted from the Nelumbo nucifera Gaertn. It shows effects on the action potentials in the myocardium and slow inward current in cardiac Purkinje fibers.

methyl 2-benzoylamino-3-phenylpropyionate is a natural product found in Aspergillus flavipes.

Glycyl-L-glutamic acid is a neurotrophic factor (NF) in vivo, and exerts function of maintenance of AChE content and activity. Glycyl-L-glutamic acid doesn’t act directly on AChE synthesis, and may prevent preganglionic neuronal degeneration.