InChI=1/C20H24N4O/c1-12-7-8-13(2)20-19(12)15(14(3)22-20)10-18(25)23-17-11-21-16-6-4-5-9-24(16)17/h7-8,11,22H,4-6,9-10H2,1-3H3,(H,23,25)/p+1/fC20H25N4O/h21,23H/q+1 637D1656012AB919