p. 4549 - 4552
(1997)(2010/11/28)
p. 948 - 952
(2007/10/03)p. 15 - 21
(2007/10/03)di-tert-butyl dicarbonate
4-oxo-4-piperazin-1-yl-butyric acid
succinic acid anhydride
1-t-Butoxycarbonylpiperazine
pentafluorophenyl 4-(4-tert-butoxycarbonyl-piperazin-1-yl)-4-oxobutanoate
methyl (4-[4-tert-butoxycarbonyl-piperazin-1-yl)-4-oxobutyryl]glycyl-D,L-β-phenyl-β-alaninate
4-oxo-4-(4-Boc-piperazin-1-yl)butyryl-glycyl-L-aspartyl-L-phenylalanine
4-oxo-4-(4-Boc-piperazin-1-yl)butyrylglycine pentafluorophenyl ether
(4-[4-tert-butoxycarbonyl-piperazin-1-yl)-4-oxobutyryl]glycyl-D,L-β-phenyl-β-alanine