InChI=1/C14H10ClN2O5S/c1-21-8-2-4-10(15)12(6-8)17-23(19,20)9-3-5-11-13(7-9)22-14(18)16-11/h2-7H,1H3,(H,16,18)/q-1/f/h16H FE371F861CCCA664