(1R,4S,5S)-rel-2-(tert-Butoxycarbonyl)-2-azabicyclo[2.1.1]hexane-5-carboxylic acid
rel-(1R,5S,6s)-3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.1]heptane-6-carboxylic acid
3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.1]heptane-1-carboxylic acid
2-(tert-Butoxycarbonyl)octahydrocyclopenta[c]pyrrole-5-carboxylic acid
2-(1,4-Dioxan-2-yl)acetic acid
8-(tert-Butoxycarbonyl)-8-azabicyclo[3.2.1]octane-3-carboxylic acid
(6R,7R)-7-Amino-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(S)-2-(3-((tert-Butoxycarbonyl)amino)-2-oxoazepan-1-yl)acetic acid
cis-3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.0]hexane-1-carboxylic acid
9-(tert-Butoxycarbonyl)-1-oxa-9-azaspiro[5.5]undecane-2-carboxylic acid
(2S)-1-(tert-Butoxycarbonyl)octahydro-1H-indole-2-carboxylic acid
6-(5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)hexanoic acid
(2R)-1-(tert-Butoxycarbonyl)octahydro-1H-indole-2-carboxylic acid
(2R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)octahydro-1H-indole-2-carboxylic acid
(1S,3aR,6aS)-2-(tert-Butoxycarbonyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid
(1R,3R,5R)-2-(tert-Butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid
(1R,3S,4S)-2-(tert-Butoxycarbonyl)-2-azabicyclo[2.2.1]heptane-3-carboxylic acid
(2S,3aS,6aS)-Octahydrocyclopenta[b]pyrrole-2-carboxylic acid
6-(6-(5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)hexanamido)hexanoic acid
(S)-1-Tritylaziridine-2-carboxylic acid
