InChI=1/C21H32N4O3/c1-15-2-5-19(28-15)21(27)23-17-6-10-24(11-7-17)14-20(26)22-16-8-12-25(13-9-16)18-3-4-18/h2,5,16-18H,3-4,6-14H2,1H3,(H,22,26)(H,23,27)/p+1/fC21H33N4O3/h22-23,25H/q+1 3A0004E351CD9BE9