InChI=1/C19H18O8/c1-23-13-8-12-14(18(25-3)17(13)24-2)15(22)19(26-4)16(27-12)9-5-6-10(20)11(21)7-9/h5-8,20-21H,1-4H3 68D0EBD47F66F1F5