InChI=1/C21H26N4O4/c1-14-7-8-15(12-16(14)19(22)26)24-21(28)20(27)23-13-17(18-6-5-11-29-18)25-9-3-2-4-10-25/h5-8,11-12,17H,2-4,9-10,13H2,1H3,(H2,22,26)(H,23,27)(H,24,28)/p+1/t17-/m0/s1/fC21H27N4O4/h23-25H,22H2/q+1 E922EA01437C78EF