InChI=1/C21H19ClN2O5/c1-2-14-19(20(27)21(23)28)18-15(7-4-8-16(18)29-11-17(25)26)24(14)10-12-5-3-6-13(22)9-12/h3-9H,2,10-11H2,1H3,(H2,23,28)(H,25,26)/p-1/fC21H18ClN2O5/h23H2/q-1 DF2B5E8227D48D49