InChI=1/C20H17ClN2O4/c1-2-13-3-6-16(7-4-13)23-20(26)15(11-22)9-14-5-8-18(17(21)10-14)27-12-19(24)25/h3-10H,2,12H2,1H3,(H,23,26)(H,24,25)/p-1/b15-9-/fC20H16ClN2O4/h26H/q-1/b15-9-,23-20? AF22BBE4B3DA7D41