主题词：Synthesis and biological activity; Multicomponent Synthesis of Heterocycles; Toxic Organic Pollutants Impact; Synthesis and Biological Evaluation; Synthesis and Characterization of Heterocyclic Compounds; Computational Drug Discovery Methods; Graph theory and applications; Carcinogens and Genotoxicity Assessment; Synthesis and Properties of Aromatic Compounds; Nonlinear Optical Materials Research; Free Radicals and Antioxidants; Effects and risks of endocrine disrupting chemicals; Air Quality and Health Impacts; Microbial bioremediation and biosurfactants; Chemical Synthesis and Reactions; Synthesis of Organic Compounds; Analytical Chemistry and Chromatography; Click Chemistry and Applications; Quinazolinone synthesis and applications; Metal complexes synthesis and properties; Phenothiazines and Benzothiazines Synthesis and Activities; Atmospheric chemistry and aerosols; Fullerene Chemistry and Applications; Microwave-Assisted Synthesis and Applications; Analytical chemistry methods development