InChI=1/C21H24N4O4/c1-13(26)25-17(14-8-4-2-5-9-14)12-16(23-25)18-19(27)22-21(29)24(20(18)28)15-10-6-3-7-11-15/h2,4-5,8-9,15,17,23H,3,6-7,10-12H2,1H3,(H,22,27,29)/p-1/b18-16-/t17-/m0/s1/fC21H23N4O4/q-1 BF2E620CB534CEC7