InChI=1/C28H27N3O4/c32-28(33)22-5-3-20(4-6-22)18-31-16-1-2-24(19-31)30-23-9-13-26(14-10-23)35-25-11-7-21(8-12-25)27-29-15-17-34-27/h3-15,17,24,30H,1-2,16,18-19H2,(H,32,33)/t24-/m1/s1/f/h31H 6D4950872B48400A