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