InChI=1/C33H34O4/c1-31(2,3)30-36-28(32(34,24-16-8-4-9-17-24)25-18-10-5-11-19-25)29(37-30)33(35,26-20-12-6-13-21-26)27-22-14-7-15-23-27/h4-23,28-30,34-35H,1-3H3/t28-,29-/m1/s1 5E77456868161B65