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(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-cyclohexylpropanoic acid
2-{[(tert-butoxy)carbonyl]amino}-3-(cyclopent-1-en-1-yl)propanoic acid
2-{[(tert-butoxy)carbonyl]amino}-3-cyclopentylpropanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-cyclopropylpropanoic acid; N-cyclohexylcyclohexanamine
(2R)-2-{[(tert-butoxy)carbonyl]amino}-4,4-dimethylpentanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-4,4-dimethylpentanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-cyclopentylacetic acid; N-cyclohexylcyclohexanamine
(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-cyclopentylacetic acid; N-cyclohexylcyclohexanamine
(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(thiophen-2-yl)acetic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-(thiophen-3-yl)acetic acid
2-{[(tert-butoxy)carbonyl]amino}hexanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-(2,3-dihydro-1H-inden-2-yl)acetic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}pent-4-enoic acid; N-cyclohexylcyclohexanamine
(2R)-3-amino-2-{[(tert-butoxy)carbonyl]amino}propanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}butanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}-3,3-dimethylbutanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-cyclohexylacetic acid
2-(2-bromophenyl)-2-{[(tert-butoxy)carbonyl]amino}acetic acid
2-{[(tert-butoxy)carbonyl]amino}-2-(2-methoxyphenyl)acetic acid
2-{[(tert-butoxy)carbonyl]amino}-2-(2-methylphenyl)acetic acid
2-{[(tert-butoxy)carbonyl]amino}-2-(1,3-thiazol-2-yl)acetic acid
2-{[(tert-butoxy)carbonyl]amino}-2-(thiophen-2-yl)acetic acid
2-{[(tert-butoxy)carbonyl]amino}-3-(dimethylamino)propanoic acid
3-{[(tert-butoxy)carbonyl]amino}butanoic acid
3-{[(tert-butoxy)carbonyl]amino}-2-methylpropanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}pentanoic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-phenylacetic acid
(2R)-2-{[(tert-butoxy)carbonyl]amino}pent-4-ynoic acid; N-cyclohexylcyclohexanamine
4-{[(tert-butoxy)carbonyl]amino}butanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(thiophen-3-yl)acetic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-(dimethylamino)propanoic acid
2-{[(tert-butoxy)carbonyl]amino}hexanoic acid; N-cyclohexylcyclohexanamine
(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(2,3-dihydro-1H-inden-2-yl)acetic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}pent-4-enoic acid; N-cyclohexylcyclohexanamine
(2S)-3-amino-2-{[(tert-butoxy)carbonyl]amino}propanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}butanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-3,3-dimethylbutanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-cyclohexylacetic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-phenylacetic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}pent-4-ynoic acid
(2S)-2-{[(tert-butoxy)carbonyl]amino}pentanoic acid
(2S)-2-{[(tert-butoxy)carbonyl]({[(tert-butoxy)carbonyl]amino}methyl)amino}propanoic acid
(2R)-2,3-bis({[(9H-fluoren-9-ylmethoxy)carbonyl]amino})propanoic acid
(2R)-2,4-bis({[(9H-fluoren-9-ylmethoxy)carbonyl]amino})butanoic acid
(2S)-2,3-bis({[(9H-fluoren-9-ylmethoxy)carbonyl]amino})propanoic acid
(2S)-2,4-bis({[(9H-fluoren-9-ylmethoxy)carbonyl]amino})butanoic acid
(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]({[(9H-fluoren-9-ylmethoxy)carbonyl]amino}methyl)amino}propanoic acid
(2S)-3-[(2,4-dinitrophenyl)amino]-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propanoic acid
(2R)-3-{[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]amino}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propanoic acid
(2S)-3-{[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]amino}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propanoic acid