InChI=1S/C21H21F7N2O3S/c1-13-12-29(18-7-6-15(22)11-17(18)20(23,24)25)8-9-30(13)34(32,33)16-5-3-4-14(10-16)19(2,31)21(26,27)28/h3-7,10-11,13,31H,8-9,12H2,1-2H3/t13-,19-/m1/s1