4-[1-(2,3-dihydro-1,4-benzodioxin-3-yl)ethyl]morpholine

2-[2-(2-naphthalen-2-yloxyethoxy)ethoxy]naphthalene

2-[2-[2-(2-aminophenoxy)ethoxy]ethoxy]aniline

联苯

3-(3-phenylpropoxy)propylbenzene