(S)-2-Amino-1-{3-[(cyclopropyl-methyl-amino)-methyl]-pyrrolidin-1-yl}-3-methyl-butan-1-one

1-(4-Acetyl-3-methyl-piperazin-1-yl)-2-chloro-ethanone

4-(2-Chloro-acetyl)-3-methyl-piperazine-1-carboxylic acid benzyl ester

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

1-Acetyl-4-((S)-2-amino-3-methyl-butyryl)-piperazine-2-carboxylic acid methyl ester

4-Carboxymethyl-3-methyl-piperazine-1-carboxylic acid benzyl ester

(4-Acetyl-[1,4]diazepan-1-yl)-acetic acid

2-[(2,6-Dichloro-benzyl)-methyl-amino]-ethanol

2-[(2,4-Dichloro-benzyl)-ethyl-amino]-ethanol

2-[(3,4-Dichloro-benzyl)-ethyl-amino]-ethanol

2-[(2,5-Dichloro-benzyl)-isopropyl-amino]-ethanol