methyl 4-(1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptyl)benzoate

(4-cyanophenyl) 4-(1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptyl)benzoate

N,N-diethyl-2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptanamide

N,N-diethyl-2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptanethioamide