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. 2022 Nov 8;2022:8239931. doi: 10.1155/2022/8239931

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Copyright © 2022 Anandi Kapri et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Scheme 23 — Schematic synthesis of xanthine derivatives.