InChI=1/C17H11ClN2O3S/c18-15-10-3-1-2-4-13(10)24-16(15)17(22)19-9-5-6-12-11(7-9)20-14(21)8-23-12/h1-7H,8H2,(H,19,22)(H,20,21)/f/h19-20H 5C2264089300E806