123297-93-8 Ajugamarin B 5 Butanoic acid, 2-methyl-, (1R,4R,4aR,5S,6R,8S,8aR)-8-(acetyloxy)-5-((2S)-2-(acetyloxy)-2-(2,5-dihydro-5-oxo-3-furanyl)ethyl)octahydro-8a-(hydroxymethyl)-5,6-dimethylspiro(naphthalene-1(2H),2'-oxiran)-4-yl ester, (2S)- Butanoic acid, 2-methyl-, 8-(acetyloxy)-5-(2-(acetyloxy)-2-(2,5-dihydro-5-oxo-3-furanyl)ethyl)octahydro-8a-(hydroxymethyl)-5,6-dimethylspiro(naphthalene-1(2H),2'-oxiran)-4-yl ester, (1R-(1alpha,4beta(S*),4abeta,5beta(S*),6alpha,8alpha,8aalpha))-