InChI=1/C20H20F2N2O3/c21-20(22)27-16-9-3-6-12-7-4-10-24(17(12)16)19(26)14-11-13-5-1-2-8-15(13)23-18(14)25/h3,6,9,11,20H,1-2,4-5,7-8,10H2,(H,23,25)/f/h23H B1130445C5946268