InChI=1/C14H11ClN2O3S/c15-10-3-5-11(6-4-10)20-9-13(19)17-14-16-8-12(21-14)2-1-7-18/h3-6,8,18H,7,9H2,(H,16,17,19)/f/h19H 1659FFCF81CB7C41