InChI=1/C16H13FN2O3S/c1-10-15(16(19-22-10)11-5-3-2-4-6-11)12-7-8-14(13(17)9-12)23(18,20)21/h2-9H,1H3,(H2,18,20,21)/f/h18H2 5309200F67CB7DE6