InChI=1/C20H20F2N2O2S/c1-20(12-6-7-12,15-9-8-13(21)10-17(15)22)16-11-23-19-14(16)4-3-5-18(19)24-27(2,25)26/h3-5,8-12,23-24H,6-7H2,1-2H3/t20-/m1/s1 1F910E439D36A900