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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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UV-Vis absorption spectra of several (a) bis(dipyrrinato)Ni(II) and (b) -Cu(II) complexes in DCM. Reproduced with permission from [184]. Copyright © 2009 Royal Society of Chemistry.