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