InChI=1/C24H19ClN2O4/c1-14-4-9-18(12-21(14)25)27-23(28)20(15(2)26-27)13-19-10-11-22(31-19)16-5-7-17(8-6-16)24(29)30-3/h4-13H,1-3H3/b20-13+ 344008B68FD865EC