InChI=1/C28H27N3O4/c32-28(33)22-3-1-20(2-4-22)19-31-16-13-24(14-17-31)30-23-7-11-26(12-8-23)35-25-9-5-21(6-10-25)27-29-15-18-34-27/h1-12,15,18,24,30H,13-14,16-17,19H2,(H,32,33)/f/h31H 76482DC6C1F708FD