InChI=1/C13H11ClN4OS/c14-10-1-2-12(17-8-10)18-13(20)16-5-3-11-9(7-15)4-6-19-11/h1-2,4,6,8H,3,5H2,(H2,16,17,18,20)/f/h16,18H 229BE11AE00A252C