InChI=1S/C29H23NO5/c31-18-24-25(28(32)33)23(17-16-20-10-4-1-5-11-20)26(27(30-24)22-14-8-3-9-15-22)29(34)35-19-21-12-6-2-7-13-21/h1-15,23,30-31H,18-19H2,(H,32,33)