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Y	Z

H-Cha-OH [L-Cyclohexylalanine]

Fmoc-Dab(Boc)-OH

Fmoc-D-Dab(Boc)-OH

Fmoc-Dab(ivDde)-OH

Fmoc-D-Dab(Z)-OH

Fmoc-Dab(Alloc)-OH

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