99956-50-0

(E)-2-Methyl-2-butenoic acid (3aR,3aβ,6aR,7aα,7bα,8aα,8bβ,8cα)-decahydro-6β-hydroxy-6,8aα-dimethyl-3-methylene-2-oxo-4H-bisoxireno[1,8a:2,3]azuleno[4,5-b]furan-4α-yl ester