Tadić Julijana; Janković Nenad; Lađarević Jelena; Porobić Slavica; Kojić Marija; Marinović-Cincović Milena; Mijn Dušan: 2-OXO-1,2,3,4-tetrahydropyrimidine-azo-pyridone dye : a potential application as new green-emitting fluorescent probe.