InChI=1S/C15H18O12/c1-2-25-14(24)4-3-5(16)11(8(19)6(4)17)26-15-10(21)7(18)9(20)12(27-15)13(22)23/h3,7,9-10,12,15-21H,2H2,1H3,(H,22,23)