The molecule is an abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana. It has a role as a plant metabolite. It is a diterpene lactone, an abietane diterpenoid, a cyclic terpene ketone and an epoxide.
(1R,7R,9S,10S,11S)-12,12-dimethyl-5-propan-2-yl-8,17-dioxapentacyclo[8.5.2.01,11.02,7.07,9]heptadeca-2,5-diene-4,16-dione