主题词：Chemical synthesis and alkaloids; Plant-based Medicinal Research; Steroid Chemistry and Biochemistry; Botanical Research and Chemistry; Phenothiazines and Benzothiazines Synthesis and Activities; Complementary and Alternative Medicine Studies; Biomedical and Chemical Research; Chemical Reactions and Mechanisms; Synthesis and biological activity; Synthesis and Reactions of Organic Compounds; Synthesis and Biological Evaluation; Pharmaceutical studies and practices; Chemical Synthesis and Analysis; Inorganic and Organometallic Chemistry; Medicinal plant effects and applications; Medical and Health Sciences Research; Historical Medical Research and Treatments; Chemical synthesis and pharmacological studies; Pharmacological Effects of Natural Compounds; Analytical Chemistry and Chromatography; Coordination Chemistry and Organometallics; Analytical Methods in Pharmaceuticals; Pharmacogenetics and Drug Metabolism; Cancer Treatment and Pharmacology; Synthesis and Catalytic Reactions