InChI=1/C20H23N5O2/c1-24-8-10-25(11-9-24)13-14-2-4-15(5-3-14)19(26)21-16-6-7-17-18(12-16)23-20(27)22-17/h2-7,12H,8-11,13H2,1H3,(H,21,26)(H2,22,23,27)/p+1/fC20H24N5O2/h21-23,25H/q+1 D920B27C423DED1B