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. 2019 Dec 10;7:841. doi: 10.3389/fchem.2019.00841

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Copyright © 2019 Gupta and Kesavan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Chart 26 — BF₂ complexes of coumarin-carbazole conjugates (above); BF₂ complexes of carbazole-benzimidazole conjugates (below).