InChI=1/C15H15N7O5S/c1-2-27-15(24)10-7-18-13-11(14(23)21-22(13)12(10)16)20-19-8-3-5-9(6-4-8)28(17,25)26/h3-7,16,19H,2H2,1H3,(H,21,23)(H2,17,25,26)/b16-12?,20-11-/f/h21H,17H2 726C7D8FCA7A7A5D