InChI=1/C21H32N4O3/c1-2-3-11-24(15-19(22)26)16-20(27)25-12-9-18(10-13-25)21(28)23-14-17-7-5-4-6-8-17/h4-8,18H,2-3,9-16H2,1H3,(H2,22,26)(H,23,28)/p+1/fC21H33N4O3/h23-24H,22H2/q+1 1B23B58D02548E0D