InChI=1S/C15H18O12/c16-1-2-25-14(24)5-3-6(17)8(18)7(4-5)26-15-11(21)9(19)10(20)12(27-15)13(22)23/h3-4,9-12,15-21H,1-2H2,(H,22,23)