Keywords: Kavalactones Structure 4.PNG Kavalactone-general-4 svg The structure of the fourth class of kavalactones to be used on the Kavalactones page Drawn in ChemDraw 10 0 by Yidele July 2007 en wikipedia 2007-07-11 Yidele wikipedia en Yidele original upload log page en wikipedia Kavalactones_Structure_4 PNG 2007-07-11 05 52 Yidele 239×185×8 5549 bytes <nowiki>The structure of the fourth class of kavalactones to be used on the Kavalactones page Drawn in ChemDraw 10 0 by Yidele July 2007 </nowiki> Psychoactive drugs Kavalactones |