BIOTIN-PEG3-HYDRAZIDE

Bis-aminooxy-PEG1

mPEG6-CH2COOH

(3AS,4S,6AR)-六氢-2-氧代-N-(15-氧代-3,6,9,12-四氧杂-16-氮杂十九碳-18-炔-1-基)-1H-噻吩并[3,4-D]咪唑-4...

BIS-PEG6-NHS

5,8,11-Trioxa-12-thia-2-azatridecanoic acid, 1,1-dimethylethyl ester, 12,12-dioxide

九乙二醇单对甲苯磺酸酯

CBZNH-一聚乙二醇-氨基

2,5,8,11,14,17-Hexaoxaheneicosane

H2N-PEG2-CH2COOtBu