InChI=1/C21H16N2O2S/c1-25-17-11-9-15(10-12-17)20-22-19(14-18-8-5-13-26-18)21(24)23(20)16-6-3-2-4-7-16/h2-14H,1H3/b19-14-	6FE98A79EC86FA13