与"quaternary base resin"相近的词条

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• 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
• quaternary nitrogen
• quaternary parasite
• Quaternary period
• quaternary protein structure
• quaternary structure
• quaternary structure of protein

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