p. 2179 - 2191
(2007/10/03)1-t-Butoxycarbonylpiperazine
4-(4-aminophenyl)-1-t-butyloxycarbonylpiperazine
tert-butyl 4-(4-nitrophenyl)piperazine-1-carboxylate
methanesulfonyl chloride
tert-butyl 4-(4-{[(7-cyano-2-naphthyl)methyl]amino}phenyl)piperazine-1-carboxylate