4-[4-[4-(甲氧基甲氧基)苯基]-1-哌嗪基]苯胺

氯甲酸苯酯

1-(4-O-甲氧基甲基-4-羟基苯基)-4-(4-硝基苯基)哌嗪

4-(4-(4-硝基苯基)-1-哌嗪基)苯酚

4-(1-哌嗪基)苯酚