InChI=1/C22H26F2N2O2/c23-19-13-7-5-11-17(19)21(27)25-15-9-3-1-2-4-10-16-26-22(28)18-12-6-8-14-20(18)24/h5-8,11-14H,1-4,9-10,15-16H2,(H,25,27)(H,26,28)/f/h25-26H 11CB55E2A873DC5F