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. 2019 Sep 23;26(1):965–974. doi: 10.1080/10717544.2019.1667453

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — The structural formulae of PEI-PC, R8-PA, and schematic diagram of the preparation process of Lp-PPRP/LOR. (A) The structural formulae of PEI-PC. (B) The structural formulae of R8-PA. (C) The schematic diagram of the preparation process of Lp-PPRP/LOR.