1. Pharmaceutical Field (Core Applications) a. Pharmaceutical Intermediates: Used in the synthesis of anti-tuberculosis drugs, antibacterial agents, anti-inflammatory drugs, etc., serving as a key synthetic raw material for pyridine-based pharmaceuticals. b. Drug Development Tools: Act as precursors for molecular modification of drugs, aiding in the optimization of aqueous solubility, bioactivity, and metabolic stability. c. Biological Activity Research: Employed to study its potential biological functions in vivo, such as anti-inflammatory and antioxidant effects, providing a basis for the development of novel drugs. 2. Chemical and Materials Field a. Organic Synthesis Intermediates: Used in the preparation of dyes, pigments, and special polymeric materials, with their pyridine ring structure enhancing material stability. b. Coordination Chemistry Reagents: Can form complexes with metal ions, applied in the preparation of functional materials such as catalysts and ion-exchange resins. 3. Agricultural Field a. Pesticide Intermediates: Used in the synthesis of agricultural chemicals such as herbicides and fungicides, enabling targeted action against specific organisms and improving pesticide efficacy. b. Raw Materials for Plant Growth Regulators: Through structural modification, used to prepare formulations that regulate plant growth and enhance stress resistance.