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      Basic nitrogen oil standard liquid 100ug/g 5ml
      Basic nitrogen oil standard liquid 500ug/g 5ml
      Basic fuchsin ethanol 0.05 500ml
      Simple water hardness test box 5/set
      Ascorbic acid standard solution
      Sodium ascorbate 0.1 mg/ml 50ml
      Paeonol Standard product 0.5 g/bottle
      Poison cicada
      Diammonium glycyrrhizinate (98%)
      Levofloxacin CP 25g
      P-quinone alizarin AR 5g
      Glucosamine hydrochloride CP 25g
      Albumin (refrigerated) BR 20g
      Phosphite standard solution 50ml
      Sulfite standard solution 50ml
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