InChI=1/C21H23N5O/c27-21(25-18-13-16-7-2-3-9-19(16)23-15-18)24-14-17-8-6-10-22-20(17)26-11-4-1-5-12-26/h2-3,6-10,13,15H,1,4-5,11-12,14H2,(H2,24,25,27)/p+1/fC21H24N5O/h22,24-25H/q+1 A209B74E74A93435