InChI=1/C20H25N5O2/c1-2-14-18-19(24-23-14)13-4-3-5-15(17(13)20(18)27)22-16(26)11-25-8-6-12(10-21)7-9-25/h3-5,12H,2,6-11,21H2,1H3,(H,22,26)(H,23,24)/p+2/fC20H27N5O2/h21-23,25H/q+2 ABD1F62A334F9E0C