Synonyms: 3-Pyrrolidinesulfonicacid,1-[[5-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-1-oxopentyl]oxy]-2,5-dioxo-,monosodium salt, [3aS-(3aa,4b,6aa)]-[partial]-;3-Pyrrolidinesulfonic acid,1-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-2,5-dioxo-,monosodium salt (9CI);EZ-Link Sulfo-NHS-biotin;No-Weigh Sulfo-NHS-Biotin;