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. Author manuscript; available in PMC: 2023 Dec 27.
Published in final edited form as: Curr Res Chem Biol. 2023 Nov 7;3:100047. doi: 10.1016/j.crchbi.2023.100047

Scheme 3.

Scheme 3.

Synthesis of tri-PEG esters; AP-09-191and AP-09-187 and the tri-PEG amides AP-10-033B and AP-10-034B.