InChI=1/C13H17N3O4S/c1-8-6-20-7-9(2)16(8)21(18,19)10-3-4-11-12(5-10)15-13(17)14-11/h3-5,8-9H,6-7H2,1-2H3,(H2,14,15,17)/t8-,9-/m1/s1/f/h14-15H 4D8FE24105F32130