Methyltetrazine-PEG3-Amido-PEG2-Mal-3,4-Dibromo functions as a heterobifunctional linker with a methyltetrazine moiety for fast, efficient click reactions with TCO and a dibromomaleimide group which allows for two points of substitution at the two bromine atoms. The PEG spacers elevate the water solubility of the molecule.
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