InChI=1S/C24H26O5/c1-12(2)6-8-15-9-11-17-18(21(15)26)23(28)19-22(27)16(10-7-13(3)4)20(25)14(5)24(19)29-17/h6-7,9,11,25-27H,8,10H2,1-5H3