InChI=1/C23H19ClN4O4/c1-14-11-17(15(2)27(14)19-7-9-20(10-8-19)28(31)32)12-21-22(29)26(23(30)25-21)13-16-3-5-18(24)6-4-16/h3-12H,13H2,1-2H3,(H,25,30)/b21-12+/f/h25H 444CC8BE81C9E1BC