InChI=1/C15H12N4O2S/c16-14-13(22(20,21)12-6-2-1-3-7-12)10-18-15(19-14)11-5-4-8-17-9-11/h1-10H,(H2,16,18,19)/f/h16H2 1C2740EB18072A03