title: A wavelength effect on urocanic acid E/Z photoisomerization.
mesh_terms: D007093:Imidazoles / Q000528:radiation effects*; D007536:Isomerism; D010777:Photochemistry; D014466:Ultraviolet Rays; D014560:Urocanic Acid / Q000528:radiation effects*
chemical_list: D007093:Imidazoles; D014560:Urocanic Acid