InChI=1/C17H13F4NOS/c1-16(2)13-7-9(3-4-14(13)22-15(24)23-16)10-5-11(17(19,20)21)8-12(18)6-10/h3-8H,1-2H3,(H,22,24)/f/h22H A45E81DF136DC9A9