1-Vinylazulenes with Oxazolonic Ring-Potential Ligands for Metal Ion Detectors; Synthesis and Products Properties. - Mihaela Cristea; Liviu Bîrzan; Florea Dumitrascu; Cristian Enache; Victorita Tecuceanu; Anamaria Hanganu; Constantin Draghici; Calin Deleanu; Alina Nicolescu; Maria Maganu; Alexandru C. Razus (Symmetry, 2021)