InChI=1/C18H11ClN2O4S/c19-12-6-7-14-13(10-12)17(11-4-2-1-3-5-11)18(25-14)26(23,24)16-9-8-15(22)20-21-16/h1-10H,(H,20,22)/p-1/fC18H10ClN2O4S/q-1 45BAF325BB05EB22