InChI=1/C24H22N2O4/c1-14-13-25-21(18(14)8-9-23(27)28)12-20-19-7-6-16(11-22(19)26-24(20)29)15-4-3-5-17(10-15)30-2/h3-7,10-13,25H,8-9H2,1-2H3,(H,26,29)(H,27,28)/p-1/b20-12-/fC24H21N2O4/h26H/q-1 075D2E3086DC9557