InChI=1/C13H15N3O3S/c17-11-7-16(13(19)14-11)15-12(18)10-6-8-4-2-1-3-5-9(8)20-10/h6H,1-5,7H2,(H,15,18)(H,14,17,19)/f/h14-15H DF886BA916D31AF1