InChI=1/C21H21N5/c1-15-12-13-19(22)18(14-15)20(16-8-4-2-5-9-16)25-26-21(23)24-17-10-6-3-7-11-17/h2-14H,22H2,1H3,(H3,23,24,26)/b25-20+/f/h26H,23H2/b24-21?,25-20+ 9D632809AC84429D