InChI=1/C18H14FNO2S/c19-15-9-5-13(6-10-15)17-3-1-2-4-18(17)14-7-11-16(12-8-14)23(20,21)22/h1-12H,(H2,20,21,22)/f/h20H2 12E3C5DD7F2B4AE0