Fmoc-Glu-OH
Fmoc-Glu-OtBu
Fmoc-Glu(OBzl)-OH
Fmoc-Glu(OtBu)-OH
Fmoc-D-Glu(OtBu)-OH
Fmoc-Glu(OtBu)-OPfp
Fmoc-D-Glu(OtBu)-OPfp
