InChI=1/C18H17N5O/c1-23-11-16(17(21-23)12-4-7-19-8-5-12)13-2-3-15-14(10-13)6-9-20-18(15)22-24/h2-5,7-8,10-11,24H,6,9H2,1H3,(H,20,22)/f/h20H/b22-18+ 3113D1426CA3D6F5