InChI=1/C17H17ClN2O3S/c1-11-5-6-13(10-15(11)18)20-24(22,23)14-7-8-16-12(9-14)3-2-4-17(21)19-16/h5-10,20H,2-4H2,1H3,(H,19,21)/f/h19H 507F5576EE6162CE