InChI=1/C15H13FN4S/c1-9-14(21-10(2)18-9)13-7-8-17-15(20-13)19-12-5-3-11(16)4-6-12/h3-8H,1-2H3,(H,17,19,20)/f/h19H 90CAC5C5BECBBFC8