InChI=1/C21H28N4O4/c1-4-24(5-2)15-17-8-6-7-9-18(17)23-21(26)16-10-11-19(22-12-13-29-3)20(14-16)25(27)28/h6-11,14,22H,4-5,12-13,15H2,1-3H3,(H,23,26)/p+1/fC21H29N4O4/h23-24H/q+1 4FE407A5AD533217