InChI=1/C22H20N4O5/c27-9-8-24-12-19(28)25-18(22(24)29)11-16-15-6-1-2-7-17(15)23-20(16)21(25)13-4-3-5-14(10-13)26(30)31/h1-7,10,18,20-21,27H,8-9,11-12H2/p+1/t18-,20-,21+/m0/s1/fC22H21N4O5/h23H/q+1 83F9ED5847108BAB