InChI=1/C21H20N4O2/c1-24-20(16-7-8-17-18(12-16)23-10-9-22-17)19(21(26)25(24)2)15-6-4-5-14(11-15)13-27-3/h4-12H,13H2,1-3H3 5D9569F8648BD4BE