InChI=1/C20H23N5O/c1-20(2,3)17-13-18(23-19(26)22-15-7-5-4-6-8-15)25(24-17)16-11-9-14(21)10-12-16/h4-13H,21H2,1-3H3,(H2,22,23,26)/p+1/fC20H24N5O/h22-24H/q+1 30567EB8460D6C2E