SUNBRIGHT® LY-400MA*

2arm Lysine branched PEG, -(CH23NHCO(CH2)2-MAL, Mw 40,000
Chemical Name: 1-[1-(3-Maleimido-1-oxopropyl)-ethyl-2-amino]-oxo-2,6bis(methylpolyoxyethylene-oxy-carbonylamino) hexane
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*make-to-order