InChI=1/C18H19ClN2O6S/c19-13-1-3-14(4-2-13)27-15-5-7-16(8-6-15)28(24,25)21-18(17(22)20-23)9-11-26-12-10-18/h1-8,21,23H,9-12H2,(H,20,22)/f/h20H FFF3ECF01CA18A36