142009-29-8 1H-Thieno(3,4-d)imidazole-4-pentanamide, N-(4-((aminoiminomethyl)amino)-1-(chloroacetyl)butyl)hexahydro-2-oxo-, (3aS-(3aalpha,4beta(R*),6aalpha))- Bio-arg-CH2Cl Biotinylarginylchloromethane