InChI=1/C21H17FN2OS/c1-21(2)17-11-14(15-8-13(12-23)9-16(22)10-15)5-6-18(17)24-20(25-21)19-4-3-7-26-19/h3-11,20,24H,1-2H3/t20-/m1/s1 9CDC66CA4E976942