m-PEG3-amine is a PEG analogue containing an amino group.

N-Boc-PEG6-alcohol is a PEG analogue containing a hydroxyl group and Boc-protected amino group.

Azido-PEG6-alcohol is a PEG analogue containing an azide group and a terminal hydroxyl group.

Hydroxy-PEG2-t-butyl ester is a PEG analogue containing a hydroxyl group with a t-butyl ester.

Biotin-PEG7-amine is PEG analogue containing a biotin group and a terminal primary amine group.

Amino-PEG2-t-butyl ester is a PEG analogue containing an amino group with a t-butyl protected carboxyl group.

m-PEG6-alcohol is a PEG analogue containing a hydroxyl group.

Bromo-PEG2-azide is a PEG analogue containing a bromide group and a terminal azide.

6-Maleimidocaproic acid is a biochemical that contains a maleimide group and a terminal carboxylic acid.

Tos-PEG2-t-butyl ester is a PEG analogue containing a t-butyl ester and a tosyl group.