FMOC-L-PHE(4-S-TBU)

FMOC-S-PHE(4-STBU)-OH

FMOC-D, L-PHE(4-S-TBU)

(S)-FMOC-4-TERT-BUTYLTHIOPHENYLALANINE

(S)-N-alpha-(9-Fluoromethyloxycarbonyl)-4-t-butylthio-phenylalanine

(S)-N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-4-T-BUTYLTHIO-PHENYLALANINE