1-乙基-4-苯基哌嗪

2-[2-(4-phenylpiperazin-1-yl)ethyl]quinoline

3-(4-phenylpiperazin-1-yl)propanamide

1-(naphthalen-2-ylmethyl)-4-phenylpiperazine

1,4-二苯基哌嗪