InChI=1/C21H26N4O4/c1-24(16-17-6-3-2-4-7-17)15-5-13-22-20(26)12-14-23-21(27)18-8-10-19(11-9-18)25(28)29/h2-4,6-11H,5,12-16H2,1H3,(H,22,26)(H,23,27)/p+1/fC21H27N4O4/h22-24H/q+1 04C045B4977F9C98