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. 2019 Feb 25;7:72. doi: 10.3389/fchem.2019.00072

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Copyright © 2019 Neva, Carmona, Benito, Przybylski, Ortiz Mellet, Mendicuti and García Fernández.

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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Absorption spectra for 4 (Top Left) and 5 (Top Right) in water at 25°C, with the corresponding absorbance vs. concentration plots (inserts) and directions of the electronic transition moments for the 1,8- (Bottom Left) and 2,3-naphthylene (Bottom Right) appended groups.