InChI=1/C21H26N4O5/c1-3-12-24(15-21(27)23-17-9-5-7-11-19(17)30-2)14-20(26)22-13-16-8-4-6-10-18(16)25(28)29/h4-11H,3,12-15H2,1-2H3,(H,22,26)(H,23,27)/p+1/fC21H27N4O5/h22-24H/q+1 E46ADB2FE1748D91