The molecule is a diterpenoid isolated from the aerial parts of Ajuga bracteosa. It has a role as a plant metabolite and an antifeedant. It is a furofuran, an acetate ester, a diterpenoid, a spiro-epoxide and a cyclic acetal.
[(3S,4R,4aR,5S,7R,8S,8aR)-8-[(3aR,5S,6aS)-2,3,3a,4,5,6a-hexahydrofuro[2,3-b]furan-5-yl]-5-acetyloxy-3-hydroxy-7,8-dimethylspiro[2,3,5,6,7,8a-hexahydro-1H-naphthalene-4,2'-oxirane]-4a-yl]methyl acetate