InChI=1/C15H13ClN2O4S/c16-12-3-1-10(2-4-12)15(19)17-18-23(20,21)13-5-6-14-11(9-13)7-8-22-14/h1-6,9,18H,7-8H2,(H,17,19)/f/h17H 6A7AC15ECB7CCA3C