Fmoc-D-isoGln(Ot-Bu)-NH2

(R)-4-((S)-2-((R)-2-(((2R,3R,4R,5S,6R)-3-acetamido-5-acetoxy-6-(acetoxymethyl)-2-(3-azidopropoxy)tetrahydro-2H-pyran-4-yl)oxy)propanamido)propanamido)-5-amino-5-oxopentanoic acid

peracetylated GlcNAcβProN3

L-alanyl-D-isoglutamine tert-butyl ester

3-azidopropyl 2-acetamido-4,6-O-benzylidene-2-deoxy-3-O-((R)-1-carboxyethyl)-β-D-glucopyranoside