Fluorescence of methylated derivatives of hydroxyphenylimidazopyridine. Resolution of strongly overlapping spectra and a new ESIPT dye showing very efficient radiationless deactivation

1. Brenlla, A.
2. Veiga, M.
3. Ríos Rodríguez, M.C.
4. Mosquera, M.
5. Rodríguez-Prieto, F.