InChI=1/C21H27N5O/c22-20(27)18-8-4-7-17(13-18)14-24-21(23)25-19-9-11-26(12-10-19)15-16-5-2-1-3-6-16/h1-8,13,19H,9-12,14-15H2,(H2,22,27)(H3,23,24,25)/p+2/fC21H29N5O/h24-26H,22-23H2/q+2 BBD257C5CA1054F1