InChI=1/C19H20ClNO7S/c20-14-3-1-13(2-4-14)11-28-15-5-7-16(8-6-15)29(25,26)17-9-10-27-12-19(17,23)18(22)21-24/h1-8,17,23-24H,9-12H2,(H,21,22)/t17-,19-/m1/s1/f/h21H 6A582A8ADC031CC3