InChI=1/C21H26N4O4/c1-4-25(5-2)14-17-11-12-18(29-17)21(28)24-23-19(26)13-8-15-6-9-16(10-7-15)20(27)22-3/h6-13H,4-5,14H2,1-3H3,(H,22,27)(H,23,26)(H,24,28)/p+1/b13-8+/fC21H27N4O4/h22-25H/q+1 0F1333AAE68325DF