InChI=1S/C29H24N4O8/c34-25(21-5-1-9-30-13-21)38-17-29(18-39-26(35)22-6-2-10-31-14-22,19-40-27(36)23-7-3-11-32-15-23)20-41-28(37)24-8-4-12-33-16-24/h1-16H,17-20H2