1-(2-phenylethyl)-4-cyclohexylcarbonyl-2,3-dehydropiperazin-6-one

N-(2,2-diethoxy)ethyl-N-2-phenylethyl 2-N-cyclohexylcarbonylaminoacetamide

phenylmethyl 2-(cyclohexylcarbonylamino)acetate

phenylmethyl 2-[N-(2,2-dimethoxyethyl)cyclohexylcarbonylamino]acetate

2-苯乙胺