InChI=1/C21H13ClN2O3/c22-12-8-10-13(11-9-12)23-20(25)18-14-4-3-7-17-19(14)24(21(18)26)15-5-1-2-6-16(15)27-17/h1-11,26H,(H,23,25)/p-1/fC21H12ClN2O3/h26h,23H/q-1 4C44C771B4F8770E