InChI=1/C11H13N3O4S2/c15-9-11(13-10(16)12-9)3-5-14(6-4-11)20(17,18)8-2-1-7-19-8/h1-2,7H,3-6H2,(H2,12,13,15,16)/f/h12-13H 6B9D6723F8454B2F