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

4-(2-Amino-ethyl)-2-methyl-piperazine-1-carboxylic acid benzyl ester

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

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

4-Carboxymethyl-piperazine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

(4-Acetyl-2-methyl-piperazin-1-yl)-acetic acid

2-[(2-Chloro-6-fluoro-benzyl)-methyl-amino]-ethanol

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

2-[(4-Chloro-benzyl)-isopropyl-amino]-ethanol

2-[Cyclopropyl-(2,6-dichloro-benzyl)-amino]-ethanol

N*1*-(3,4-Dichloro-benzyl)-N*1*-ethyl-ethane-1,2-diamine