InChI=1/C13H12N4O2S/c14-7-10-1-3-11(4-2-10)8-17-20(18,19)13-9-16-6-5-12(13)15/h1-6,9,17H,8H2,(H2,15,16)/f/h15H2 DF81C2B33ECD8415