InChI=1/C19H16O6/c20-15-3-1-11(7-17(15)22)5-13-9-25-10-14(19(13)24)6-12-2-4-16(21)18(23)8-12/h1-8,20-23H,9-10H2/b13-5+,14-6+ 3B8AD25F09892C5E