Azide-PEG3-NH-Boc；642091-68-7

DNP-PEG2-DNP

DNP-PEG3-NH2

Amine-PEG2-NH-Boc，153086-78-3

Amine-PEG6-OH；39160-70-8

DNP-PEG2-NHS ester

DNP-PEG2-Azide

Alkyne-PEG1-COOtBu；488150-84-1

DNP-PEG3-NH-Boc

Biotin-PEG3-Acid；252881-76-8

COOtBu-PEG-DNP；DNP-PEG2-t-butyl ester

mPEG4-Ots；62921-74-8

Alkyne-PEG4-Br；1308299-09-3

Alkyne-PEG1-NHS ester；1174157-65-3

DNP-PEG2-COOtBu

CHO-PEG4-azide；醛基-Ph-四聚乙二醇-叠氮

Alkyne-PEG4-Mal；1609651-90-2

Biotin-PEG3-NHS ester；1253286-56-4

mPEG5-OH；23778-52-1

PEG衍生物8 arm PEG SH八臂PEG巯基 修饰PEG