Ermanin is a flavonoid isolated from Tanacetum microphyllum.Ermanin inhibits platelet aggregation and has anti-tuberculosis and anti-viral/bacterial properties.

Clemastanin B has antioxidant and anti-inflammatory activities, it exerts its anti-influenza activity by inhibiting the virus multiplication, prophylaxsis and blocking the virus attachment.

(Arg)9 TFA (Nona-L-arginine TFA), a cell-penetrating peptide, exhibits neuroprotective activity with an IC50 of 0.78 μM in the glutamic acid model.Poly-arginine (e.g. (Arg)9) and arginine-rich peptides (e.g. TAT, penetratin), which belong to a class of peptides with cell-penetrating properties are neuroprotective.