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4-[(2-Amino-acetyl)-isopropyl-amino]-piperidine-1-carboxylic acid tert-butyl ester

2-{[(2-Amino-acetyl)-isopropyl-amino]-methyl}-piperidine-1-carboxylic acid tert-butyl ester

3-{[(2-Amino-acetyl)-isopropyl-amino]-methyl}-piperidine-1-carboxylic acid tert-butyl ester

4-{[(2-Amino-acetyl)-isopropyl-amino]-methyl}-piperidine-1-carboxylic acid tert-butyl ester

2-(2-Methoxymethyl-piperidin-1-yl)-ethylamine

2-(3-Methoxymethyl-piperidin-1-yl)-ethylamine

(1-Methyl-piperidin-3-yloxy)-acetic acid

((R)-1-methyl-piperidin-3-yloxy)-acetic acid

((S)-1-methyl-piperidin-3-yloxy)-acetic acid

(1-Methyl-piperidin-4-yloxy)-acetic acid

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