InChI=1/C19H20F2N2O2/c1-4-19(5-2)14-10-12(7-9-17(14)23(3)18(24)25-19)22-13-6-8-15(20)16(21)11-13/h6-11,22H,4-5H2,1-3H3 4DA2D054627B8DD9