与"quaternary ammonium compound"相近的词条

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• quaternary aminoethyl
• quaternary aminomethyl
• quaternary ammonium
• Quaternary Ammonium Alkaloids
• quaternary ammonium base
• quaternary ammonium compound
• Quaternary ammonium compounds
• quaternary ammonium hydroxide
• quaternary ammonium salt
• quaternary ammonium spasmolytic drug
• quaternary ammonium type resin
• quaternary base resin
• quaternary carbon atom
• quaternary cationics
• quaternary compound
• quaternary hybrid

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