InChI=1S/C17H30O9/c1-9(6-7-10(18)19)5-4-8-17(2,3)26-16-13(22)11(20)12(21)14(25-16)15(23)24/h9,11-14,16,20-22H,4-8H2,1-3H3,(H,18,19)(H,23,24)