InChI=1/C20H14Cl2N2O2S/c21-13-7-10-18-16(11-13)19(15-3-1-2-4-17(15)22)20(24-18)12-5-8-14(9-6-12)27(23,25)26/h1-11,24H,(H2,23,25,26)/f/h23H2 407C8CE6FBA587C8