benzyl N-(5-oxononyl)carbamate

5-[bis(pyridin-2-ylmethyl)amino]pentanoic acid

tert-butyl N-(5-amino-5-oxopentyl)carbamate

ethyl 5-[(3,4,5-trimethoxybenzoyl)amino]pentanoate

N-(5-hydrazinyl-5-oxopentyl)-3,4,5-trimethoxybenzamide