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. 2019 Jun 12;47(13):6578–6589. doi: 10.1093/nar/gkz512

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© The Author(s) 2019. Published by Oxford University Press on behalf of Nucleic Acids Research.

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 reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Scheme 1. — Synthesis of acridine-VQ-X precursors. (A) The carboxylic acid coupling unit of the VQ-SMe precursor (7). (B) Acridine-VQ-SMe precursor (3-Me). (C) Acridine-VQ-X precursors.