InChI=1S/C14H15N5O6S2/c1-5-3-26-11(18-7(5)12(21)22)9(13(23)24)17-10(20)8(19-25-2)6-4-27-14(15)16-6/h4,9,11H,1,3H2,2H3,(H2,15,16)(H,17,20)(H,21,22)(H,23,24)/b19-8-/t9-,11+/m0/s1