InChI=1/C18H15ClN2O2S/c1-13-3-2-4-18(20-13)21-24(22,23)17-11-7-15(8-12-17)14-5-9-16(19)10-6-14/h2-12H,1H3,(H,20,21)/f/h20H 217C5E45DEF013F9