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. 2022 Oct 17;27(20):6967. doi: 10.3390/molecules27206967

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© 2022 by the authors.

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/).

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Chemical structures of heteroleptic (dipyrrinato)Zn(II) complexes reported in literature [165,177]. The orange arrow indicates energy transfer (EnT) from the D1 ligand to the D2 ligand.