InChI=1/C20H21FN2O2S/c1-20(13-6-7-13,14-8-10-15(21)11-9-14)17-12-22-19-16(17)4-3-5-18(19)23-26(2,24)25/h3-5,8-13,22-23H,6-7H2,1-2H3/t20-/m1/s1 5108762E69F70B33