InChI=1S/C11H14N4O8S/c1-14-3-13-9-6(10(14)18)12-4-15(9)11-7(17)8(5(2-16)22-11)23-24(19,20)21/h3-5,7-8,11,16-17H,2H2,1H3,(H,19,20,21)