InChI=1/C28H25F3N2O2/c1-20-8-5-15-26(32-20)22-10-6-9-21(16-22)18-33(19-27(34)28(29,30)31)23-11-7-14-25(17-23)35-24-12-3-2-4-13-24/h2-17,27,34H,18-19H2,1H3/t27-/m0/s1 477BF9BCE9014E23