(2019/01/10)
p. 2785 - 2788
(2015/02/05)(2008/12/07)
(2010/11/26)
(2008/06/13)
4-(4-methoxycarbonyl-phenyl)-piperazine-1-carboxylic acid tert-butyl ester
4-(4-(1,1-dimethylethoxycarbonyl)piperazin-1-yl)benzoic acid
4-(4-(1,1-dimethylethoxycarbonyl)piperazinyl)benzaldehyde
4-(3-formyl-phenyl)-piperazine-1-carboxylic acid tert-butyl ester