InChI=1/C21H30N4O3/c1-4-6-12-24(13-7-5-2)16-17-14-18(8-10-20(17)26)23(3)21-11-9-19(15-22-21)25(27)28/h8-11,14-15,26H,4-7,12-13,16H2,1-3H3/p+1/fC21H31N4O3/h24H/q+1 194E59D26F6566C9