InChI=1/C27H26F2O/c1-2-21(13-14-22-9-5-3-6-10-22)20-26(30)27(28,29)25-17-15-24(16-18-25)19-23-11-7-4-8-12-23/h2-12,15-18,21H,1,13-14,19-20H2/t21-/m0/s1 C2AD9D79C68DDCCE