InChI=1/C19H16F4N2O2S/c1-3-25-18(19(21,22)23)16(12-4-8-14(20)9-5-12)17(24-25)13-6-10-15(11-7-13)28(2,26)27/h4-11H,3H2,1-2H3 340A793E3F80B80F