Methyl (S)-2-(Boc-amino)-4-iodobutanoate
tert-Butyl (R)-3-((tert-butoxycarbonyl)amino)-4-iodobutanoate
(S)-Benzyl 2-((tert-butoxycarbonyl)amino)-4-iodobutanoate
Ethyl 4-iodobutanoate
(S)-tert-Butyl 2-((tert-butoxycarbonyl)amino)-4-iodobutanoate
Methyl 4-iodobutanoate
