InChI=1/C21H26N4O4/c1-25(2)13-12-23-21(28)16-5-3-6-17(15-16)24-20(27)10-11-22-19(26)9-8-18-7-4-14-29-18/h3-9,14-15H,10-13H2,1-2H3,(H,22,26)(H,23,28)(H,24,27)/p+1/b9-8+/fC21H27N4O4/h22-25H/q+1 1724E16590CC17FC