InChI=1/C21H25N5O2/c27-20(17-6-7-18-19(14-17)24-21(28)23-18)22-8-9-25-10-12-26(13-11-25)15-16-4-2-1-3-5-16/h1-7,14H,8-13,15H2,(H,22,27)(H2,23,24,28)/p+1/fC21H26N5O2/h22-24,26H/q+1 A32A33EB16484187