Fmoc-Ser(Ac3GlcNAcβ)-OH

Fmoc-Thr(Ac3GlcNAcβ)-OH

Fmoc-Asn(Ac3GlcNAcβ)-OH

Fmoc-Ser(Ac3GlcNAcα)-OH

Fmoc-Thr(Ac3GlcNAcα)-OH