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

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

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

[(R)-3-(Isopropyl-methyl-amino)-pyrrolidin-1-yl]-acetic acid

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

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

4-(2-Hydroxy-ethyl)-piperazine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

1-[4-(2-Hydroxy-ethyl)-3-methyl-piperazin-1-yl]-ethanone

1-Acetyl-4-(2-amino-ethyl)-piperazine-2-carboxylic acid methyl ester

4-(2-Chloro-acetyl)-[1,4]diazepane-1-carboxylic acid benzyl ester

4-((S)-2-Amino-3-methyl-butyryl)-piperazine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester