N-Boc-4,7,10-trioxa-1,13-tridecanediamine

5,8,11,18,21,26,29-heptaoxa-1,15-diazabicyclo[13.8.8]hentriacontane

4-[3-[2-[2-(3-aminopropoxy)ethoxy]ethoxy]propylamino]-4-oxobutanoic acid