67526-94-7 Hexanoic acid, 6-(acetyloxy)-2,3,3a,4,5,6,6a,7,8,9b-decahydro-3,3a-dihydroxy-3,6,9-trimethyl-8-[(2-methyl-1-oxo-2-butenyl)oxy]-2-oxo-4-(1-oxobutoxy)azuleno[4,5-b]furan-7-yl ester, [3R-[3.alpha.,3a.beta.,4.alpha.,6.beta.,6a.beta.,7.beta.,8.alpha.(Z),9b.alpha.]]- NSC369501 THAPSIGARGICIN