InChI=1/C20H19N5O2/c26-18(11-14-7-3-1-4-8-14)22-19-16-12-25(13-17(16)23-24-19)20(27)21-15-9-5-2-6-10-15/h1-10H,11-13H2,(H,21,27)(H2,22,23,24,26)/f/h21-23H A829C549ABABA531