6-[[(4-methoxyphenyl)-diphenylmethyl]amino]hexanoic acid

6-({[5-(二甲基氨基)-1-萘基]磺酰基}氨基)己酸

1,3-二-(5-甲氧羰基戊基)脲

methyl 6-[(2,2,2-trifluoroacetyl)amino]hexanoate

methyl 6-(3-phenylpropylamino)hexanoate