丙炔基-七聚乙二醇-丙酸叔丁酯

叠氮-十一聚乙二醇，Azido-PEG11-alcohol

N-溴乙酰基-四聚乙二醇-叔丁氧羰基

Azido-PEG1-S-S-acid

N3-PEG1-S-S-PEG4-NHBOC

4,8,12,16-Tetraoxanonadecane-1,19-diol

1-Propanol,3,3'-[oxybis(3,1-propanediyloxy)]bis-

Endo-bcn-peg3-maleimide

t-Boc-氨氧基-二聚乙二醇-氨基

4,8-dioxaundecane-1,11-diol