InChI=1/C18H19FN4O2S/c1-10-4-7-14(19)16(8-10)21-18(26)23-22-17(25)13-6-5-11(2)15(9-13)20-12(3)24/h4-9H,1-3H3,(H,20,24)(H,22,25)(H2,21,23,26)/f/h20-23H 40879B1E3C97C1FE