InChI=1/C21H26N4O4/c1-2-3-9-25-13-15-6-4-8-18(17(15)14-25)24-21(28)20(27)23-12-19(26)22-11-16-7-5-10-29-16/h4-8,10H,2-3,9,11-14H2,1H3,(H,22,26)(H,23,27)(H,24,28)/p+1/fC21H27N4O4/h22-25H/q+1 E3FE08CB11470781