InChI=1S/C32H25ClN4O4/c1-19-12-14-22(33)18-26(19)35-32(40)25-16-20-8-6-7-11-24(20)29(30(25)38)37-36-27-17-21(13-15-28(27)41-2)31(39)34-23-9-4-3-5-10-23/h3-18,36H,1-2H3,(H,34,39)(H,35,40)/b37-29-