t-butyl (Z)-2-(2'-deoxy-2'-[4-benzoylphenyl]methylamino-6'-[N-(N-(N-(biotinyl)glycyl)glycyl)glycyl]-amino-6'-deoxy-β-D-galactopyranosyloxy)-3-p-methoxyphenyl-2-acrylate

t-butyl (Z)-2-(2'-deoxy-2'-phthalimido-6'-azido-6'-deoxy-β-D-galactopyranosyloxy)-3-p-methoxyphenyl-2-acrylate