InChI=1/C20H15N5O5/c21-16-5-4-15-20(23-16)24-19(22-15)14-7-10(8-17(26)27)6-13(18(14)28)11-2-1-3-12(9-11)25(29)30/h1-7,9,28H,8H2,(H,26,27)(H3,21,22,23,24)/p-1/fC20H14N5O5/h24H,21H2/q-1 5F3E91D5DE75E258