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 tetracyclic diterpenoid and a cyclic terpene ketone.
(1R,7R,10S,11S)-7-hydroxy-11-methyl-5-propan-2-yl-13-oxatetracyclo[9.3.3.01,10.02,7]heptadeca-2,5-diene-4,14-dione