InChI=1/C21H28N4O4/c1-4-24(5-2)15-16-7-6-8-18(13-16)23-21(26)17-9-10-19(22-11-12-29-3)20(14-17)25(27)28/h6-10,13-14,22H,4-5,11-12,15H2,1-3H3,(H,23,26)/p+1/fC21H29N4O4/h23-24H/q+1 105C47CE53A1196F