Standard InChI: InChI=1S/C27H21NO6/c1-28(2)16-13-11-15(12-14-16)21(22-24(29)17-7-3-5-9-19(17)33-26(22)31)23-25(30)18-8-4-6-10-20(18)34-27(23)32/h3-14,21,29-30H,1-2H3
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