2-[4-(2-formylphenyl)piperazin-1-yl]benzaldehyde

5-amino-1-cyclopropyl-6,8-difluoro-4-oxo-7-piperazin-1-ylquinoline-3-carboxylic acid

1,4-哌嗪二甲酰胺

1-[phenyl(pyridin-4-yl)methyl]piperazine

3-硝基-4-(哌嗪-1-基)苯甲酸叔丁酯