InChI=1/C21H28N4O3/c1-16(23-21(27)24-17-9-4-2-5-10-17)20(26)22-15-18(19-11-8-14-28-19)25-12-6-3-7-13-25/h2,4-5,8-11,14,16,18H,3,6-7,12-13,15H2,1H3,(H,22,26)(H2,23,24,27)/p+1/t16-,18+/m0/s1/fC21H29N4O3/h22-25H/q+1 33E38D9F20E87DD3