InChI=1/C21H31N5O2/c1-4-5-14-28-20-19(9-7-11-23-20)16-24-21(27)26(13-12-25(2)3)17-18-8-6-10-22-15-18/h6-11,15H,4-5,12-14,16-17H2,1-3H3,(H,24,27)/p+1/fC21H32N5O2/h24-25H/q+1 4F9D38D8F6966281