(S)-2-Amino-1-{4-[(benzyl-methyl-amino)-methyl]-piperidin-1-yl}-3-methyl-butan-1-one

(S)-2-Amino-1-[(S)-3-(benzyl-ethyl-amino)-piperidin-1-yl]-3-methyl-butan-1-one

(S)-2-Amino-1-[3-(benzyl-isopropyl-amino)-piperidin-1-yl]-3-methyl-butan-1-one

(S)-2-Amino-1-[4-(benzyl-isopropyl-amino)-piperidin-1-yl]-3-methyl-butan-1-one

{(S)-2-[(Benzyl-methyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

{3-[(苄基-乙基-氨基)-甲基]-吡咯烷-1-基}-乙酸, {3-[(Benzyl-ethyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

{3-[(Benzyl-ethyl-amino)-methyl]-piperidin-1-yl}-acetic acid

[2-(Benzyl-ethyl-amino)-cyclohexylamino]-acetic acid

[4-(Benzyl-isopropyl-amino)-piperidin-1-yl]-acetic acid

[3-(Benzyl-cyclopropyl-amino)-pyrrolidin-1-yl]-acetic acid

{3-[(Benzyl-cyclopropyl-amino)-methyl]-piperidin-1-yl}-acetic acid

N-[1-(2-Hydroxy-ethyl)-piperidin-3-yl]-acetamide

N-[1-(2-Hydroxy-ethyl)-piperidin-4-yl]-N-methyl-acetamide

N-[(S)-1-(2-Hydroxy-ethyl)-pyrrolidin-2-ylmethyl]-N-methyl-acetamide

N-Ethyl-N-[1-(2-hydroxy-ethyl)-pyrrolidin-3-yl]-acetamide