InChI=1/C16H15ClN2O3/c1-11(12-5-4-6-13(20)9-12)18-19-16(21)10-22-15-8-3-2-7-14(15)17/h2-9,20H,10H2,1H3,(H,19,21)/b18-11-/f/h19H EE642A8B1E4EC6A8