InChI=1/C19H18O8/c1-23-12-8-13(24-2)17(25-3)18-14(12)15(22)19(26-4)16(27-18)9-5-6-10(20)11(21)7-9/h5-8,20-21H,1-4H3 A35CFE50AD9BCE13