InChI=1S/C18H24O11/c19-5-8-3-1-2-4-10(8)28-18-16(25)14(23)13(22)11(29-18)7-27-17-15(24)12(21)9(20)6-26-17/h1-5,9,11-18,20-25H,6-7H2