(1aS,4E,10aS,11E,13S,14aS)-13-hydroxy-1a,5,8,12-tetramethyl-2,3,6,7,10a,13,14,14a-octahydrooxireno[9,10]cyclotetradeca[1,2-b]furan-9(1aH)-one InChI=1/C20H28O4/c1-12-6-5-9-20(4)18(24-20)11-16(21)13(2)10-17-15(8-7-12)14(3)19(22)23-17/h6,10,16-18,21H,5,7-9,11H2,1-4H3/b12-6+,13-10+/t16-,17-,18-,20?/m0/s oxireno[9,10]cyclotetradeca[1,2-b]furan-9(1aH)-one, 2,3,6,7,10a,13,14,14a-octahydro-13-hydroxy-1a,5,8,12-tetramethyl-, (1aS,4E,10aS,11E,13S,14aS)-