InChI=1/C21H30N4O3/c1-4-11-25(12-5-2)13-7-10-22-19(26)20(27)24-18-9-6-8-17(14-18)21-23-15-16(3)28-21/h6,8-9,14-15H,4-5,7,10-13H2,1-3H3,(H,22,26)(H,24,27)/p+1/fC21H31N4O3/h22,24-25H/q+1 28B8DA7F90A68A12