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6-O-(carboxymethyl)-d-glucose

H-alpha-prg-d-ala-oh

Boc,bzl-l-ala-oh

Boc,bzl-d-ala-oh

Boc-alpha-et-l-ala-oh

Bzl-d-ala-ome*hcl

Fmoc-l-ala-chn2

Fmoc-l-nalao-oh

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