乙酸活性酯-PEG-叶酸, SCM-PEG-FA, average M.W. 1,000

巯基-PEG-酰肼, HS-PEG-Hydrazide, average M.W. 1,000

羟基-PEG-酰胺丁二酸活性酯, HO-PEG-SAS, average M.W. 1,000

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

N-琥珀酰亚胺丙酸酯-PEG-N-琥珀酰亚胺丙酸酯, SPA-PEG-SPA, average M.W. 600

硅烷-PEG-丙炔, Silane-PEG-Alkyne, average M.W. 4,000

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

(S)-叔丁基2-(2-(((9H-氟-9-基)甲氧基)羰基)氨基)-3-((1-(N，4-二甲基苯磺酰胺基)乙烯基)氧基)-3-硫氧丙基)-1H-吲哚-1-羧酸盐, (S)-tert-Butyl2-(2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((1-(N,4-dimethylphenylsulfonamido)vinyl)oxy)-3-thioxopropyl)-1H-indole-1-carboxylate

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)乙硫醇酸酯, O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-((tert-butoxycarbonyl)amino)ethanethioate

(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-(三苯硫基)丙硫醇酸酯, (S)-O-(1-(N,4-Dimethylphenylsulfonamido)vinyl)2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tritylthio)propanethioate