InChI=1S/C18H32O14/c1-4-7(20)10(23)11(24)17(29-4)32-15-9(22)6(3-19)30-18(13(15)26)31-14-8(21)5(2)28-16(27)12(14)25/h4-27H,3H2,1-2H3