InChI=1/C17H18N4O7S/c1-12(22)18-14-4-8-16(9-5-14)29(27,28)20(11-17(23)19-24)10-13-2-6-15(7-3-13)21(25)26/h2-9,24H,10-11H2,1H3,(H,18,22)(H,19,23)/f/h18-19H D1004D51D5132927