(R)-2-(Boc-amino)-5-(dimethylamino)-5-oxopentanoic Acid
Methyl (tert-butoxycarbonyl)-L-tryptophyl-L-phenylalaninate
(S)-4-((tert-Butoxycarbonyl)amino)-5-methoxy-5-oxopentanoic acid
2-(2-(2-(Hexanoyloxy)ethoxy)ethoxy)ethyl octanoate
5-((tert-Butoxycarbonyl)amino)-4-oxopentanoic acid