(S)-2-Amino-3-methyl-N-((S)-1-methyl-pyrrolidin-2-ylmethyl)-butyramide

(S)-2-Amino-3,N-dimethyl-N-(1-methyl-pyrrolidin-2-ylmethyl)-butyramide

(S)-2-Amino-N-(2-dimethylamino-cyclohexyl)-3,N-dimethyl-butyramide

(S)-2-Amino-N-ethyl-3-methyl-N-(1-methyl-piperidin-3-ylmethyl)-butyramide

(S)-2-Amino-N-isopropyl-3-methyl-N-(1-methyl-piperidin-3-ylmethyl)-butyramide

(S)-2-Amino-N-isopropyl-3-methyl-N-(1-methyl-piperidin-4-yl)-butyramide

(S)-2-Amino-N-cyclopropyl-N-(2-dimethylamino-cyclohexyl)-3-methyl-butyramide

[1-(2-Hydroxy-ethyl)-piperidin-3-yl]-carbamic acid tert-butyl ester

[1-(2-Hydroxy-ethyl)-piperidin-4-yl]-methyl-carbamic acid tert-butyl ester

[2-(2-Hydroxy-ethylamino)-cyclohexyl]-methyl-carbamic acid tert-butyl ester

Ethyl-[(S)-1-(2-hydroxy-ethyl)-piperidin-3-yl]-carbamic acid tert-butyl ester