11053-20-6 2-Butenoic acid, 2-methyl-, 6-(acetyloxy)-2,3,3a,4,5,6,6a,7,8,9b-decahydro-3,3a-dihydroxy-3,6,9-trimethyl-4-(2-methyl-1-oxobutoxy)-2-oxoazuleno(4,5-b)furan-8-yl ester, (3S-(3alpha,3abeta,4alpha(R*),6beta,6abeta,8alpha(Z),9balpha))- 50657-07-3 90760-57-9 Trilobolide