InChI=1S/C18H24O5/c1-11(2)5-4-6-12(3)7-8-13-14(17(21)18(22)23)9-10-15(19)16(13)20/h5,7,9-10,17,19-21H,4,6,8H2,1-3H3,(H,22,23)