InChI=1/C15H12N2OS/c18-15-10-3-1-4-11-13(10)9(6-7-16-15)14(17-11)12-5-2-8-19-12/h1-5,8,17H,6-7H2,(H,16,18)/f/h16H 91F67FE18D2132DF