131400-39-0 Brianolide Oxireno(7,8)oxireno(3',4')benzo(1',2':4,5)cyclodeca(1,2-b)furan-2(3H)-one, 4,6-bis(acetyloxy)-11-chlorotetradecahydro-3a,8-dihydroxy-3,5,7b-trimethyl-10-methylene-, (3R-(3R*,3aR*,4S*,4aS*,5R*,6R*,6aS*,7aR*,7bS*,8R*,8aS*,9aR*,11S*,11aR*))-