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

4-(2-Amino-ethyl)-[1,4]diazepane-1-carboxylic acid benzyl ester

4-(2-Chloro-acetyl)-piperazine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

2-Chloro-1-(3,4-dimethyl-piperazin-1-yl)-ethanone

(S)-1-(4-Acetyl-piperazin-1-yl)-2-amino-3-methyl-butan-1-one

1-Acetyl-4-carboxymethyl-piperazine-2-carboxylic acid methyl ester

2-[(4-Fluoro-benzyl)-methyl-amino]-ethanol

2-[Ethyl-(4-methoxy-benzyl)-amino]-ethanol

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

2-[Cyclopropyl-(3,4-dichloro-benzyl)-amino]-ethanol

N*1*-(2,4-Dichloro-benzyl)-N*1*-methyl-ethane-1,2-diamine