The molecule is a labdane diterpenoid resulting from the formal dehydration of the allylic hydroxy group of peregrinol. It is a labdane diterpenoid, a tertiary alcohol, an olefinic compound and a carbobicyclic compound.
(1R,2R,4aS,8aS)-2,5,5,8a-tetramethyl-1-(3-methylidenepent-4-enyl)-3,4,4a,6,7,8-hexahydro-2H-naphthalen-1-ol