InChI=1/C21H27N5O2/c27-21(17-24-9-11-26(12-10-24)20-7-3-4-8-22-20)23-18-5-1-2-6-19(18)25-13-15-28-16-14-25/h1-8H,9-17H2,(H,23,27)/p+1/fC21H28N5O2/h22-23H/q+1 847954930B9EE069