InChI=1/C16H16N2O6S/c1-9-3-4-10(7-12(9)15(17)20)18-25(22,23)11-5-6-14(19)13(8-11)16(21)24-2/h3-8,18-19H,1-2H3,(H2,17,20)/f/h17H2 8AF120D653B99CC5