InChI=1/C15H16F2N2OS/c1-9(2)8-21-15-18-10(7-14(20)19-15)6-11-12(16)4-3-5-13(11)17/h3-5,7,9H,6,8H2,1-2H3,(H,18,19,20)/f/h19H 113B7434423D1E6F