. 2022 Sep 28;23(19):11462. doi: 10.3390/ijms231911462
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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 2.
Reaction scheme for the modification of PEG.