N-(2-(2-(2-(2-Iodoacetamido)ethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

2,5-Dioxopyrrolidin-1-yl 3-((2-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethyl)disulfanyl)propanoate

6-(5-Methyl-2-oxo-imidazolidin-4-yl)hexanoic acid

N-(2-(2-Hydroxyethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

2,5-Dioxopyrrolidin-1-yl 41-oxo-45-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10,13,16,19,22,25,28,31,34,37-dodecaoxa-40-azapentatetracontanoate

N-(35-Amino-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-N-(2-(pyridin-2-yldisulfanyl)ethyl)pentanamide

6-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N'-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoyl)hexanehydrazide

Dbco-peg4-desthiobiotin

2-(Biotin-amido)-1,3-bis(carboxylethoxy)propane