八臂PEG马来酰亚胺

8 arm PEG COOH,MW:10000，8 arm PEG carboxyl MW:1000

CBZ-NH-PEG10-acetic acid

Bromo-PEG12-methoxy

Bromo-PEG2-acetic acid

CBZ-NH-PEG2-propionic acid

Bromo-PEG6-t-butyl ester

Bromo-PEG5-CH2COOtBu

Bromo-PEG8-CH2COOtBu

Bromo-PEG6-bromide

Bromo-PEG3-propionic acid

Bromo-PEG11-methoxy

Bromo-PEG2-bromide

Bromo-PEG6-CH2COOtBu

Bromo-PEG6-azide

Bromo-PEG7-methoxy

Bromo-PEG7-CH2COOtBu

Bromo-PEG1-CH2COOtBu

Bromo-PEG3-t-butyl ester

Bromo-PEG4-methoxy