InChI=1/C17H15ClN2O4/c1-19-16(21)11-6-5-10(18)9-13(11)20-17(22)12-3-2-4-14-15(12)24-8-7-23-14/h2-6,9H,7-8H2,1H3,(H,19,21)(H,20,22)/f/h19-20H B7EFE0B62DB4F4E0