InChI=1/C20H20ClN3O3S/c21-17-4-2-15(3-5-17)13-23-7-1-8-24(10-9-23)18(25)14-27-20(26)19-16(12-22)6-11-28-19/h2-6,11H,1,7-10,13-14H2/p+1/fC20H21ClN3O3S/h23H/q+1 75F1D1974FABB5E7