79495-91-3 Ajugareptansone B Spiro(naphthalene-1(4H),2'-oxiran)-4-one, 8-(acetyloxy)-8a-((acetyloxy)methyl)-5-(2-(2,5-dihydro-5-oxo-3-furanyl)ethyl)-4a,5,6,7,8,8a-hexahydro-5,6-dimethyl-, (1R,4aR,5S,6R,8S,8aR)- Spiro(naphthalene-1(4H),2'-oxiran)-4-one, 8-(acetyloxy)-8a-((acetyloxy)methyl)-5-(2-(2,5-dihydro-5-oxo-3-furanyl)ethyl)-4a,5,6,7,8,8a-hexahydro-5,6-dimethyl-, (1R-(1alpha,4abeta,5beta,6alpha,8alpha,8aalpha))-