InChI=1S/C9H13N5O7S/c1-3(15)6(21-22(18,19)20)4-2-12-7(14-9(10)11)5(13-4)8(16)17/h2-3,6,15H,1H3,(H,16,17)(H,18,19,20)(H4,10,11,12,14)