Standard InChI: InChI=1S/C41H36N4O4/c46-38-30-16-5-3-14-28(30)36-34(38)26-12-1-7-18-32(26)40(48)44(36)24-10-22-42-20-9-21-43-23-11-25-45-37-29-15-4-6-17-31(29)39(47)35(37)27-13-2-8-19-33(27)41(45)49/h1-8,12-19,42-43H,9-11,20-25H2
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