InChI=1S/C33H31NO5/c1-2-7-29-28-13-10-26(33(37)23-8-4-3-5-9-23)20-24(28)11-15-31(29)39-19-6-18-38-27-12-14-30-25(21-27)16-17-34(30)22-32(35)36/h3-5,8-17,20-21H,2,6-7,18-19,22H2,1H3,(H,35,36)