Heterobifunctional PEG


BnO-PEGn-OH

BocNH-PEGn-NH2

H2N-PEGn-COOH

H2N-PEGn-OH

HO-PEGn-COOH

HS-PEGn-COOH

Mal-PEGn-COOH

Mal-PEGn-NHS

N3-PEGn-OH

N3-PEGn-NH2

N3-PEGn-NHS

N3-CH2CH2-PEGn-SH

HS-PEGn-Propyne

H2N-PEGn-Propyne