InChI=1/C13H15N3O4S/c17-12-6-20-11-2-1-7(3-10(11)15-12)21(18,19)16-13-8-4-14-5-9(8)13/h1-3,8-9,13-14,16H,4-6H2,(H,15,17)/p+1/t8-,9+,13?/fC13H16N3O4S/h14-15H/q+1 6AD8A04F031D9B9E