InChI=1/C21H26N4O3/c1-16-10-12-24(13-11-16)15-17-6-8-19(9-7-17)23-21(26)22-14-18-4-2-3-5-20(18)25(27)28/h2-9,16H,10-15H2,1H3,(H2,22,23,26)/p+1/fC21H27N4O3/h22-24H/q+1 6A0DADB242ACC324