[4-((S)-2-Amino-3-methyl-butyrylamino)-cyclohexyl]-cyclopropyl-carbamic acid benzyl ester

(1R,4R)-[4-(Benzyloxycarbonyl-methyl-amino)-cyclohexylamino]-acetic acid

[3-(苄氧基羰基-乙基-氨基)-吡咯烷-1-基]-乙酸, [3-(Benzyloxycarbonyl-ethyl-amino)-pyrrolidin-1-yl]-acetic acid

{2-[(Benzyloxycarbonyl-ethyl-amino)-methyl]-piperidin-1-yl}-acetic acid

[(S)-3-(Benzyloxycarbonyl-isopropyl-amino)-piperidin-1-yl]-acetic acid

{3-[(Benzyloxycarbonyl-isopropyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

[2-(Benzyloxycarbonyl-isopropyl-amino)-cyclohexylamino]-acetic acid

[4-(Benzyloxycarbonyl-cyclopropyl-amino)-piperidin-1-yl]-acetic acid

2-{2-[(Benzyl-methyl-amino)-methyl]-pyrrolidin-1-yl}-ethanol

2-[3-(Benzyl-methyl-amino)-piperidin-1-yl]-ethanol

2-{2-[(Benzyl-methyl-amino)-methyl]-piperidin-1-yl}-ethanol