3-(2-(2-(5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethoxy)ethoxy)propanoic acid

Biotin-peg2-nh-boc

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

Biotin-peg6-nhs ester

2-(2-(2-(5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethoxy)ethoxy)acetic acid

N-(17-Hydroxy-3,6,9,12,15-pentaoxaheptadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

ACetylene-PEG4-biotin conjugate

11-(5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)undecanoic acid

14-Oxo-18-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10-trioxa-13-azaoctadecanoic acid

(3aS,4S,6aR)-4-(5-Hydroxypentyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one