InChI=1/C19H17ClN2O4/c1-11(19(21)24)22-16-9-18(23)26-17-8-14(5-6-15(16)17)25-10-12-3-2-4-13(20)7-12/h2-9,11,22H,10H2,1H3,(H2,21,24)/t11-/m0/s1/f/h21H2 B0C53953160B5ADB