InChI=1/C20H17N7O/c1-13-2-4-14(5-3-13)18-24-20-22-11-16-17(27(20)25-18)7-9-26(19(16)28)8-6-15-10-21-12-23-15/h2-5,7,9-12H,6,8H2,1H3,(H,21,23)/f/h21H F2A91BBB1E3A5A3A