InChI=1S/C21H32O8/c1-10-5-6-12-20(2,3)13(22)7-8-21(12,4)11(10)9-28-19-16(25)14(23)15(24)17(29-19)18(26)27/h5,11-12,14-17,19,23-25H,6-9H2,1-4H3,(H,26,27)