(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(((2-phenylacetamido)methyl)thio)propanoic acid

for the following products Fmoc-L-Cys(Phacm)-OH | N-alpha-(9-Fluorenylmethyloxycarbonyl)-S-(phenylacetylaminomethyl)-L-cysteine and (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(((2-phenylacetamido)methyl)thio)propanoic acid