InChI=1/C16H14N4O2S/c1-9-17-14(20-22-9)13-12(10-5-3-2-4-6-10)18-16(23-13)19-15(21)11-7-8-11/h2-6,11H,7-8H2,1H3,(H,18,19,21)/f/h19H 2FE4D4917883BA3F