InChI=1/C33H28N2O3/c36-31-21-20-24-12-10-11-19-28(24)29(31)22-34-30-23-38-35(32(30)37)33(25-13-4-1-5-14-25,26-15-6-2-7-16-26)27-17-8-3-9-18-27/h1-21,30,34,36H,22-23H2/t30-/m0/s1 3C756EC685E7E21F