2-Butenoic acid, 2-methyl-, (1R,4R,4aR,5S,6R,8S,8aR)-8-(acetyloxy)-8a-[(acetyloxy)methyl]-5-[(2S)-2-(2,5-dihydro-5-oxo-3-furanyl)-2-[(2S)-2-methyl-1-oxobutoxy]ethyl]octahydro-5,6-dimethylspiro[naphthalene-1(2H),2′-oxiran]-4-yl ester, (2E)-
2-Butenoic acid, 2-methyl-, 8-(acetyloxy)-8a-[(acetyloxy)methyl]-5-[2-(2,5-dihydro-5-oxo-3-furanyl)-2-(2-methyl-1-oxobutoxy)ethyl]octahydro-5,6-dimethylspiro[naphthalene-1(2H),2′-oxiran]-4-yl ester, [1R-[1α,4β(E),4aβ,5β[S*(S*)],6α,8α,8aα]]-
Spiro[naphthalene-1(2H),2′-oxirane], 2-butenoic acid deriv.
Ajugamarin G 1