InChI=1/C21H26N4O3/c1-24(21(28)17-7-8-19(26)22-13-17)15-20(27)23-18-9-11-25(12-10-18)14-16-5-3-2-4-6-16/h2-8,13,18H,9-12,14-15H2,1H3,(H,22,26)(H,23,27)/p+1/fC21H27N4O3/h22-23,25H/q+1 EF562B47561E3A8E