c15h16o5 c15h16o5 the molecular formula c15h16o5 (molar mass: 276.28 g/mol, exact mass: 276.099774 u) may refer to: dihydromethysticin, a kavalactone found in the kava plant lactucin, a bitter sesquiterpene lactone found in lettuce vernolepin, a sesquiterpene lactone found in vernonia amygdalina this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.