109940-19-4 3-Pyrrolidinesulfonic acid, 1-((6-((5-(hexahydro-2-oxo-1H-thieno(3,4-d)imidazol-4-yl)-1-oxopentyl)amino)-1-oxohexyl)oxy)-2,5-dioxo-, (3aS-(3aalpha,4beta,6aalpha))- Nhs-LC-biotin Sulfo-nhs-LC-biotin Sulfosuccinimidyl 6-(biotinamido)hexanoate