title: Biprotonic versus intramolecular phototautomerism of salicylic acid and some of its methylated derivatives in the lowest excited singlet state.
mesh_terms: D006863:Hydrogen-Ion Concentration; D008722:Methods; D008745:Methylation; D008970:Molecular Weight; D010777:Photochemistry; D011522:Protons; D012459:Salicylates / Q000032:analysis*; D012997:Solvents; D013050:Spectrometry, Fluorescence
chemical_list: D011522:Protons; D012459:Salicylates; D012997:Solvents