InChI=1/C19H19N5O2/c25-11-9-20-19-22-17(16-7-4-12-26-16)15-13-21-24(18(15)23-19)10-8-14-5-2-1-3-6-14/h1-7,12-13,25H,8-11H2,(H,20,22,23)/f/h20H 91FEA1B4870647F4