for the following products
2-Acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranosyl-Fmoc threonine | Fmoc-Thr(GlcNAc(Ac)3-b-D)-OH | N-alpha-(9-Fluorenylmethyloxycarbonyl)-O-(2-acetamido-2deoxy-3,4,6-tri-O-acetyl-beta-D-glucopyranosyl)-L-threonine and Fmoc-L-Thr(beta-D-GlcNAc(Ac)3)-OH
