InChI=1S/C21H19N5O3/c22-20(28)15-3-1-14(2-4-15)18-9-10-23-21(25-18)24-16-5-7-17(8-6-16)26-11-12-29-13-19(26)27/h1-10H,11-13H2,(H2,22,28)(H,23,24,25)