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          Phosphorus trichloride
          Phosphorus oxychloride
          Phosphorous acid
          Hydrochloric acid
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          Product Name CAS RN Molecular Formula Order
          Phosphorus trichloride 7719-12-2 PCl3
          Phosphorus oxychloride 10025-87-3 POCl3
          Phosphorous acid 13598-36-2 H3PO3
          Hydrochloric acid 7782-50-5 HCl
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