InChI=1S/C9H11N5O8S/c15-2-4(22-23(19,20)21)6(16)3-1-10-7-5(11-3)8(17)13-9(12-7)14-18/h1,4,6,15-16,18H,2H2,(H,19,20,21)(H2,10,12,13,14,17)