InChI=1/C21H26N4O4/c1-14-8-10-16(11-9-14)19(24(3)4)13-22-20(26)15(2)23-21(27)17-6-5-7-18(12-17)25(28)29/h5-12,15,19H,13H2,1-4H3,(H,22,26)(H,23,27)/p+1/t15-,19+/m1/s1/fC21H27N4O4/h22-24H/q+1 1C14339D218AC3D9