主题词：Analytical Chemistry and Chromatography; Inorganic and Organometallic Chemistry; Photochemistry and Electron Transfer Studies; Metal complexes synthesis and properties; Magnetism in coordination complexes; Chemical Synthesis and Reactions; Electrochemical Analysis and Applications; Porphyrin and Phthalocyanine Chemistry; Chemical Synthesis and Analysis; Oxidative Organic Chemistry Reactions; Chemical Reaction Mechanisms; Molecular spectroscopy and chirality; Advanced Chemical Physics Studies; Analytical Chemistry and Sensors; Organic Chemistry Cycloaddition Reactions; Chemical Thermodynamics and Molecular Structure; Catalysis and Oxidation Reactions; Molecular Sensors and Ion Detection; Organometallic Complex Synthesis and Catalysis; Radical Photochemical Reactions; Synthesis and Characterization of Heterocyclic Compounds; Spectroscopy and Quantum Chemical Studies; Radioactive element chemistry and processing; Free Radicals and Antioxidants; Synthetic Organic Chemistry Methods