InChI=1S/C11H14ClN3O6S/c1-5-7(12)2-6(22(19,20)21)3-9(5)15-11(18)14-4-8(13)10(16)17/h2-3,8H,4,13H2,1H3,(H,16,17)(H2,14,15,18)(H,19,20,21)/t8-/m0/s1