羟基-PEG-戊二酸, HO-PEG-GA, average M.W. 1,000

巯基-PEG-马来酰亚胺, HS-PEG-Mal, average M.W. 5,000

乙酸活性酯-PEG-丙炔, SCM-PEG-Alkyne, average M.W. 5,000

(S)4-(((叔丁氧基羰基)氨基)-5-((1-(N,4-二甲基苯基磺酰胺基)乙烯基)氧基)-5-硫代戊酸叔丁基酯, (S)-tert-Butyl4-((tert-butoxycarbonyl)amino)-5-((1-(N,4-dimethylphenylsulfonamido)vinyl)oxy)-5-thioxopentanoate

(S)-O-(1-(N,4-二甲基苯基磺酰胺基)乙烯基)2-((叔丁氧基羰基)氨基)-4-甲基戊硫酸酯, (S)-O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-((tert-butoxycarbonyl)amino)-4-methylpentanethioate

(S)-O-(1-(N,4-二甲基苯基磺酰胺基)乙烯基)2-(((苄氧基)羰基)氨基)-4-氧代-4-(三苯甲基氨基)丁硫醇酸酯, (S)-O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-(((benzyloxy)carbonyl)amino)-4-oxo-4-(tritylamino)butanethioate

巯基-PEG-叶酸, Thio-PEG-FA, average M.W. 5,000

乙酸活性酯-PEG-叶酸, SCM-PEG-FA, average M.W. 10,000

甲氧基-PEG-丙腈, mPEG-CN, average M.W. 10,000

叔丁氧羰酰胺-PEG-琥珀酰亚胺酯, Boc-NH-PEG-NHS