InChI=1/C15H12N2O2S/c1-15(2)12-6-9(10-5-11(7-16)18-8-10)3-4-13(12)17-14(20)19-15/h3-6,8H,1-2H3,(H,17,20)/f/h17H B2FEFD18F23FCFA9