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