InChI=1/C20H20ClNO3S/c1-24-17-4-2-3-5-19(17)26-18-8-6-15(14-16(18)21)7-9-20(23)22-10-12-25-13-11-22/h2-9,14H,10-13H2,1H3/b9-7+ A3892EBFB01C1CB2