Intermolecular Interactions between Eosin Y and Caffeine Using <sup><b>1</b></sup>H-NMR Spectroscopy

<table>Protolytic equilibriums of eosin Y with the most representative tautomeric structure.</table>

International Journal of Spectroscopy

Figure 2: Intermolecular Interactions between Eosin Y and Caffeine Using <sup><b>1</b></sup>H-NMR Spectroscopy 