Description
This compound is one of many derivatives of kawain/kavain, a lactone found in the roots of the kava plant.
References
He XG, Lin LZ, Lian LZ. Electrospray high performance liquid chromatography-mass spectrometry in phytochemical analysis of kava (Piper methysticum) extract. Planta Med. 1997 Feb;63(1):70-4. PMID: 17252331.