InChI=1/C18H20F2N2OS/c1-21-17(23)14-9-7-13(8-10-14)11-22(2)12-15-5-3-4-6-16(15)24-18(19)20/h3-10,18H,11-12H2,1-2H3,(H,21,23)/f/h21H 2A8683435CA502B2