InChI=1/C21H28N4O4/c1-3-24(4-2)13-14-29-19-11-9-17(10-12-19)15-22-21(26)23-16-18-7-5-6-8-20(18)25(27)28/h5-12H,3-4,13-16H2,1-2H3,(H2,22,23,26)/p+1/fC21H29N4O4/h22-24H/q+1 B482CE1A47A90DC8