InChI=1/C18H20F2N2O3S/c1-12(13-8-9-15(19)16(20)10-13)22(2)18(23)21-17-7-5-4-6-14(17)11-26(3,24)25/h4-10,12H,11H2,1-3H3,(H,21,23)/t12-/m1/s1/f/h21H AE31ACF6EC12185E