InChI=1S/C12H19N3O6S/c13-7(12(20)21)1-2-9(16)15-8(6-22-3-4-22)11(19)14-5-10(17)18/h7-8H,1-6,13H2,(H3-,14,15,16,17,18,19,20,21)/p+1/t7-,8-/m0/s1