InChI=1S/C18H22O12/c1-25-7-5-4-6(11(26-2)13(7)27-3)12-15(28-12)17(24)30-18-10(21)8(19)9(20)14(29-18)16(22)23/h4-5,8-10,12,14-15,18-21H,1-3H3,(H,22,23)