InChI=1/C16H13N3O7S/c1-19-11-4-3-10(7-13(11)26-16(19)21)27(22,23)18-17-15(20)9-2-5-12-14(6-9)25-8-24-12/h2-7,18H,8H2,1H3,(H,17,20)/f/h17H CA106FDB7A31DB2B