InChI=1/C21H21N3O4/c1-3-10-28-16-7-4-14(5-8-16)12-24(2)13-19-22-18-11-15(21(26)27)6-9-17(18)20(25)23-19/h3-9,11H,1,10,12-13H2,2H3,(H,26,27)(H,22,23,25)/p-1/fC21H20N3O4/h23H/q-1 E7F067B36A9C8BC6