InChI=1/C19H21F3N2O4S/c1-3-28-17(25)18(19(20,21)22,23-13-15-7-5-4-6-8-15)24-29(26,27)16-11-9-14(2)10-12-16/h4-12,23-24H,3,13H2,1-2H3/t18-/m0/s1 DA6BB59D8A17DCD3