L-2-amino-5,5-dimethoxypentanoic acid methyl ester

(S)-2-[(S)-2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-pent-4-enoylamino]-5,5-dimethoxy-pentanoic acid methyl ester

III-BTD

(3S, 6S, 9R)-2-oxo-3-phthalimido-7-thia-1-azabicyclo<4.3.0>nonane-9-carboxylic acid

Fmoc-β-turn-dipeptide