m-PEG6-CH2CH2COOH
m-PEG2-CH2CH2COOH
Boc-NH-PEG5-CH2CH2COOH
Methyltetrazine-PEG8-acid
Lipoamide-PEG11-Mal
α-Lipoic acid-NHS
C-NH-Boc-C-Bis-(C1-PEG1-PFP)
Hydroxy-PEG3-C2-methyl ester
Methoxy-Tr-NH-PEG7
NHS-PEG4-(m-PEG4)3-ester
N,N-Diethanol amine-PEG4-Boc
Fmoc-NMe-PEG4-NHS ester
TCO-PEG6-amine
TCO-C3-PEG3-C3-amine
Ald-Ph-amido-PEG3-C2-NH2
Biotin-PEG3-propionic hydrazide
Ald-CH2-PEG3-azide
m-PEG3-NHS ester
Thiol-PEG5-alcohol
Propargyl-PEG12-SH