Synonyms: Caryoptinol,2-hydroxy-, 3-(2-methylpropanoate), (2a,3b)-; Propanoic acid, 2-methyl-,(1R,2S,3R,4aR,5S,6R,8S,8aR)-8-(acetyloxy)-8a-[(acetyloxy)methyl]octahydro-3-hydroxy-5,6-dimethyl-5-[(2S,3aS,6aS)-2,3,3a,6a-tetrahydrofuro[2,3-b]furan-2-yl]spiro[naphthalene-1(2H),2'-oxiran]-2-ylester (9CI); Furo[2,3-b]furan, caryoptinol deriv.; (-)-Ajugachin A; AjugachinA; Propanoic acid, 2-methyl-,8-(acetyloxy)-8a-[(acetyloxy)methyl]octahydro-3-hydroxy-5,6-dimethyl-5-(2,3,3a,6a-tetrahydrofuro[2,3-b]furan-2-yl)spiro[naphthalene-1(2H),2'-oxiran]-2-ylester, [1R-[1a,2b,3a,4ab,5b(2S*,3aS*,6aS*),6a,8a,8aa]]-