The molecule is a labdane diterpenoid that is peregrinol in which one of the hydrogens of the methyl group attached to the double bond has been replaced by a hydroxy group. It is a tertiary alcohol, a labdane diterpenoid, a carbobicyclic compound, a primary allylic alcohol and a triol. It derives from a peregrinol.
(Z)-2-[2-[(1R,2R,4aS,8aS)-1-hydroxy-2,5,5,8a-tetramethyl-3,4,4a,6,7,8-hexahydro-2H-naphthalen-1-yl]ethyl]but-2-ene-1,4-diol