InChI=1/C31H34O3/c1-2-21-31(22-20-25-14-8-4-9-15-25)23-28(32)29(30(33)34-31)27(26-16-10-5-11-17-26)19-18-24-12-6-3-7-13-24/h3-17,27,29H,2,18-23H2,1H3/t27-,29-,31+/m1/s1 821AE5DA6A91FABE