InChI=1S/C13H19N3O6S/c1-21-10-3-5-11(6-4-10)23(19,20)16-8-9(15-22-2)7-12(16)13(17)14-18/h3-6,9,12,15,18H,7-8H2,1-2H3,(H,14,17)/t9-,12+/m0/s1