InChI=1/C16H13N3O5S2/c17-16-19(10-2-5-12(6-3-10)26(18,23)24)15(22)14(25-16)7-9-1-4-11(20)8-13(9)21/h1-8,17,20-21H,(H2,18,23,24)/b14-7-,17-16?/f/h18H2 7A914496771F3FE0