N-(Azido-PEG2)-N-Fluorescein-PEG4-acid is a multifunctional PEG linker with azide, fluorescein, and carboxyl groups specifically for imaging, probe development, and bioconjugation.
Polyethylene Glycol PEG Linkers > PEG-X-PEG > PEG-Fluorescein-PEG
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