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

羟基-PEG-戊二酸, HO-PEG-GA, average M.W. 10,000

(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)丙硫醇酸酯, (S)-O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-(((benzyloxy)carbonyl)amino)propanethioate

(S)-叔丁基4-(((9H-氟-9-基)甲氧基)羰基)氨基)-5-((1-(N，4-二甲基苯磺胺基)乙烯基)氧基)-5-硫代戊酸盐, (S)-tert-Butyl4-((((9H-fluoren-9-yl)methoxy)carbonyl)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-(((苄氧基)羰基)氨基)-5-氧代-5-(三苯甲基氨基)戊硫醇酸酯, (S)-O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-(((benzyloxy)carbonyl)amino)-5-oxo-5-(tritylamino)pentanethioate

(S)-O-(1-(N,4-二甲基苯基磺酰胺基)乙烯基)2-(((((9H-芴-9-基)甲氧基)羰基)氨基)-3-(4-(叔丁氧基)苯基)丙硫醇酯, (S)-O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(tert-butoxy)phenyl)propanethioate

羟基-PEG-酰胺丁二酸活性酯, HO-PEG-SAS, average M.W. 4,000

叔丁氧羰酰胺-PEG-琥珀酰亚胺酯, Boc-NH-PEG-NHS

羟基-PEG-戊二酸活性酯, HO-PEG-SG, average M.W. 5,000

马来酰亚胺-PEG-丙炔, Mal-PEG-Alkyne, average M.W. 2,000