InChI=1/C19H20ClNO6S/c20-14-1-3-15(4-2-14)27-16-5-7-17(8-6-16)28(24,25)13-19(18(22)21-23)9-11-26-12-10-19/h1-8,23H,9-13H2,(H,21,22)/f/h21H BFBA7ACFD5B23238