(4-((R)-2-amino-3-(((R)-2,3-bis(dodecanoyloxy)propyl)thio)propanamido)-1,1-difluorobutyl)phosphonic acid

(R)-3-((R)-2-amino-3-(1-(hydroxymethyl)cyclopropylamino)-3-oxopropylthio)propane-1,2-diyl didodecanoate

(14R,18R)-1-(diethoxyphosphoryl)-13-oxo-14-palmitamido-3,6,9-trioxa-16-thia-12- azanonadecane-18,19-diyl didodecanoate

((14R,18R)-18-(dodecanoyloxy)-13,21-dioxo-14-palmitamido-3,6,9,20-tetraoxa-16-thia-12-azadotriacontyl)phosphonic acid

3-((R)-2-amino-3-((R)-2,3-bis(dodecanoyloxy)propylthio)propanamido)propylphosphonic acid