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Pyridine-3-sulfonic acid CAS636-73-7Intermediates of organic synthesis, pharmaceutical synthesis
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Tetramethylguanidine CAS80-70-6Synthesis of pharmaceutical and chemical raw materials, used in medicine is mainly used in the production of cephalosporin antibiotics.
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1,4,7-Triazacyclononane CAS4730-54-5Chelation/Complexation Compounds, Chemical Synthesis, Crown Ethers, Synthetic Reagents