InChI=1S/C21H32O13/c1-7-8-2-3-21(4-8,17(7)28)6-31-19-14(27)12(25)15(9(5-22)32-19)33-20-13(26)10(23)11(24)16(34-20)18(29)30/h7-16,19-20,22-27H,2-6H2,1H3,(H,29,30)