[4-(ethoxycarbonylamino)phenyl] ethyl carbonate

N-(乙氧羰基)-L-缬氨酸

Carbamic acid, 1,2-ethenediylbis-, diethyl ester (en)

N,N'-dicarbethoxy-N-formyl-1,2-diaminoethene

N-[(4-bromophenyl)-[(3-methylbenzoyl)amino]methyl]-3-methylbenzamide