InChI=1S/C11H9N5O6S3/c1-23-7-4-10(24-6(7)3(2-17)22-25(19,20)21)14-8-5(13-4)9(18)16-11(12)15-8/h2-3H,1H3,(H,19,20,21)(H3,12,14,15,16,18)