1-(2-二苯甲基氧基乙基)哌啶

1-[2-(4-diphenylmethylene-1-piperidinyl)ethyl]piperazine

1-(2-二苯甲基氧基-乙基)-哌嗪

1-[2-[bis(4-fluorophenyl)methoxy]-ethyl]piperazine