p. 4950 - 4955
(2015/10/28)p. 4176 - 4179
(2010/11/16)tert-butyl 4-benzyl-2-(hydroxymethyl)piperazine-1-carboxylate
1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
benzyl bromide
N,N-dimethyl-formamide
4-benzyl-piperazine-1-carboxylic acid tert-butyl ester