(S)-2-Amino-N-[4-(isopropyl-methyl-amino)-cyclohexyl]-3-methyl-butyramide

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

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

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

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

2-(3,4-Dimethyl-piperazin-1-yl)-ethanol

4-(2-Amino-ethyl)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

1-(4-Acetyl-2-methyl-piperazin-1-yl)-2-chloro-ethanone

2-Chloro-1-(2,4-dimethyl-piperazin-1-yl)-ethanone

4-Carboxymethyl-2-methyl-piperazine-1-carboxylic acid tert-butyl ester

(3,4-Dimethyl-piperazin-1-yl)-acetic acid