InChI=1/C21H30N4O2/c1-20(2)12-14(13-21(3,4)25-20)22-18(26)11-7-10-17-23-16-9-6-5-8-15(16)19(27)24-17/h5-6,8-9,14,25H,7,10-13H2,1-4H3,(H,22,26)(H,23,24,27)/p+1/fC21H31N4O2/h22,24-25H/q+1 D8EED30D10B6400D