Demethoxypiplartine is an amide alkaloids which can be isolated from Piper flaviflorum and Piper sarmentosum. Demethoxypiplartine has antifungal activity against Cryptococcus neoformans with the IC50 of 18.1 μg/mL.

6-Methoxykaempferol is a flavonoid found in brazilian propolis. 6-Methoxykaempferol has anti-proliferative activity against cancer cells, neuroprotective effects on isolated rat brain synaptosomes and reduces glutathione levels.

Recainam is a novel, orally available compound with potent class I antiarrhythmic activity.