for the following products
1-(t-Butyloxycarbonyl)amino-3,6,9-trioxa-undecan-11-amine | Boc-NH-PEG(3)-NH2 | Boc-NH-PEG(3)-NH2*HCl | tert-Butyl (2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethyl)carbamate and 13-Amino-5,8,11-trioxa-2-azatridecanoic acid 1,1-dimethylethyl ester