InChI=1S/C9H13N3O9S/c13-6-4(3-20-22(17,18)19)21-8(7(6)14)12-2-1-5(11-16)10-9(12)15/h1-2,4,6-8,13-14,16H,3H2,(H,10,11,15)(H,17,18,19)