1-哌嗪-1-基丙-2-醇

alpha,alpha'-二甲基哌嗪-1,4-二乙醇

1-(2,4-difluorophenyl)-6,8-difluoro-4-oxo-7-piperazin-1-ylquinoline-3-carboxylic acid

1-diethoxyphosphorylpiperazine

4-硝基苯酚阴离子