InChI=1/C17H21FN4O4S/c1-3-21(4-2)17-6-5-12(7-16(17)18)11-20-13-8-14(22(23)24)10-15(9-13)27(19,25)26/h5-10,20H,3-4,11H2,1-2H3,(H2,19,25,26)/f/h19H2 DF37EEC68A380A0B