Butanoic acid, 3-hydroxy-2-methylene-, 2,3,3a,4,5,8,9,11a-octahydro-8-hydroxy-6,10-dimethyl-3-methylene-2-oxocyclodeca[b]furan-4-yl ester, [3aR-[3aR*,4R*(S*),6E,8S*,10E,11aR*]]- EM1B - FROM FLORIDA STATE UNIVERSITY NSC321470