InChI=1/C16H13ClN2O3/c17-10-4-5-13-12(7-10)16(22,15(21)19-13)8-14(20)9-2-1-3-11(18)6-9/h1-7,22H,8,18H2,(H,19,21)/t16-/m0/s1/f/h19H FE2299CCB17561D7