(5R,9R)-9-dodecanamido-3,12-dioxo-1-phenyl-2-oxa-7-thia-4,11-diazatricosane-5-carboxylic acid

(R)-tert-butyl 3-((R)-2,3-bis(decylcarbamoyloxy)propylthio)-2-palmitamidopropanoate

(Z)-(S)-2-((R)-2-Benzyloxycarbonylamino-2-tert-butoxycarbonyl-ethylsulfanyl)-5-hydroxy-hex-2-enoic acid methyl ester

(Z)-(S)-2-((R)-2-Benzyloxycarbonylamino-2-tert-butoxycarbonyl-ethylsulfanyl)-5-(tert-butyl-dimethyl-silanyloxy)-hex-2-enoic acid methyl ester

(S)-2-((R)-2-Benzyloxycarbonylamino-2-tert-butoxycarbonyl-ethylsulfanyl)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-hexanoic acid methyl ester