InChI=1/C11H13N3O4S/c12-11-13-9-7-8(1-2-10(9)18-11)19(15,16)14-3-5-17-6-4-14/h1-2,7H,3-6H2,(H2,12,13)/f/h12H2 B851E8AF93B8B4E6