InChI=1/C16H14ClFN2O4/c17-10-5-9(16(21)14(6-10)20(22)23)8-19-13-3-4-24-15-2-1-11(18)7-12(13)15/h1-2,5-7,13,19,21H,3-4,8H2/t13-/m0/s1/f/h21h,19H A42B3625A506F1A5