InChI=1/C16H13F2NOS/c1-16(2)11-7-9(4-6-14(11)19-15(21)20-16)10-3-5-12(17)13(18)8-10/h3-8H,1-2H3,(H,19,21)/f/h19H 680EC9B45CAD6D6D