InChI=1/C23H22N4O4/c1-13-20-21(18(11-24)22(25)31-23(20)27-26-13)14-7-8-19(29-3)15(9-14)12-30-17-6-4-5-16(10-17)28-2/h4-10,21,23H,12,25H2,1-3H3/t21-,23-/m0/s1 8085F511F0B7D6AF