InChI=1/C18H11N3O8/c1-29-18(26)9-4-8(5-11(6-9)21(27)28)15(23)19-10-2-3-12-13(7-10)14(22)17(25)20-16(12)24/h2-7H,1H3,(H,19,23)(H,20,24,25)/f/h19-20H 89F3EDA6D8B11425