InChI=1/C15H11ClN2O4S/c16-9-3-1-8(2-4-9)11-7-10(14(23-11)15(17)22)18-12(19)5-6-13(20)21/h1-7H,(H2,17,22)(H,18,19)(H,20,21)/p-1/b6-5+/fC15H10ClN2O4S/h18H,17H2/q-1 14BCB72A8BA8B48D