InChI=1/C27H28F2N2O2/c28-22-9-5-20(6-10-22)27(21-7-11-23(29)12-8-21)33-16-14-30-18-24-17-25(19-30)31(24)13-1-3-26-4-2-15-32-26/h1-12,15,24-25,27H,13-14,16-19H2/b3-1+/t24-,25+ EFF72F66842840C1