InChI=1/C16H22F2N2O2/c1-11(2)9-20(12-7-8-12)10-15(21)19-13-5-3-4-6-14(13)22-16(17)18/h3-6,11-12,16H,7-10H2,1-2H3,(H,19,21)/p+1/fC16H23F2N2O2/h19-20H/q+1 740DFCE4F20A1C82