N-[1-((S)-2-Amino-propionyl)-pyrrolidin-3-yl]-N-isopropyl-acetamide

N-[1-((S)-2-Amino-propionyl)-piperidin-4-yl]-N-isopropyl-acetamide

(S)-N-[2-(Acetyl-isopropyl-amino)-cyclohexyl]-2-amino-propionamide

(S)-N-[4-(Acetyl-cyclopropyl-amino)-cyclohexyl]-2-amino-propionamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-3-yl]-acetamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-3-ylmethyl]-acetamide

N-[(S)-1-((S)-2-Amino-3-methyl-butyryl)-piperidin-3-yl]-N-methyl-acetamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-3-yl]-N-ethyl-acetamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-piperidin-4-yl]-N-ethyl-acetamide

N-[(R)-1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-3-yl]-N-isopropyl-acetamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-piperidin-4-yl]-N-isopropyl-acetamide

N-[(S)-1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-3-yl]-N-cyclopropyl-acetamide

[(S)-2-(Acetylamino-methyl)-pyrrolidin-1-yl]-acetic acid

(3-Acetylamino-pyrrolidin-1-yl)-acetic acid

[3-(Acetylamino-methyl)-piperidin-1-yl]-acetic acid