InChI=1/C20H23N5O2/c1-13(26)22-15-9-7-14(8-10-15)19-23-17-6-4-5-16(18(17)24-19)20(27)21-11-12-25(2)3/h4-10H,11-12H2,1-3H3,(H,21,27)(H,22,26)(H,23,24)/p+1/fC20H24N5O2/h21-23,25H/q+1 F0BD2B1840253C8E