InChI=1/C18H18F2N2O2S/c1-2-15(23)22-16(12-6-4-3-5-7-12)17(24)21-13-8-10-14(11-9-13)25-18(19)20/h3-11,16,18H,2H2,1H3,(H,21,24)(H,22,23)/t16-/m1/s1/f/h21-22H E3997F4E12673A58