InChI=1/C17H20F2N2O3/c1-16(13-11(18)6-5-7-12(13)19)14(22)21(15(23)20-16)10-17(24)8-3-2-4-9-17/h5-7,24H,2-4,8-10H2,1H3,(H,20,23)/t16-/m0/s1/f/h20H BFE4B3A442AC1A9B