(1aS,4S,5E,8E,9aS,12aS,14aS)-4-hydroxy-4,8,14a-trimethyl-12-methylene-1a,3,4,7,9a,12,12a,13,14,14a-decahydrooxireno[5,6]cyclotetradeca[1,2-b]furan-11(2H)-one InChI=1/C20H28O4/c1-13-6-5-9-19(3,22)10-8-17-20(4,24-17)11-7-15-14(2)18(21)23-16(15)12-13/h5,9,12,15-17,22H,2,6-8,10-11H2,1,3-4H3/b9-5+,13-12+/t15-,16-,17-,19+,20-/m0/s oxireno[5,6]cyclotetradeca[1,2-b]furan-11(2H)-one, 1a,3,4,7,9a,12,12a,13,14,14a-decahydro-4-hydroxy-4,8,14a-trimethyl-12-methylene-, (1aS,4S,5E,8E,9aS,12aS,14aS)-