Securinine is plant-derived alkaloid and also a GABAA receptor antagonist.

Chlorophyll A is an important pigment found among the various pigments in phytoplankton.

Irigenin is a is a lead compound.

Iridin is a natural isoflavone and an inhibitor.

Jatrorrhizine is an alkaloid isolated from Coptis chinensis. Jatrorrhizine is a potent inhibitor of AChE.

Chelerythrine Chloride is a potent, cell-permeable inhibitor of protein kinase C.

Cucurbitacin S is isolated from the Cucurbitaceae family.

Valerenic Acid, a sesquiterpenoid, is an positive allosteric modulator of GABAA receptors.

Sempervirine Nitrate is an alkaloid derived from Gelsemium elegans Benth.

Adenanthin is a natural flavonoid product.

Gartanin is a natural xanthone of mangosteen, Gartanin is also an inhibitor.

Stachydrine is a major constituent of Chinese herb leonurus heterophyllus sweet used to promote blood circulation and dispel blood stasis.

Sappanone A is an homoisoflavone found in sappan L. Sappanone A is a PDE4 and NF-κB inhibitor.

Nevadensin is a natural flavonoid, is a selective human carboxylesterase 1 (hCE1) inhibitor, Nevadensin has a variety of pharmacological effects.

Cornuside is an iridoid glycoside,and it is also an inhibitor.

Cholest-4,6-diene-3-ol belongs to the class of sterol derivatives associated with cholesterol oxidation or dehydrogenation.