Acetaminophin product, pack and tablet (using contained resources)

{
  "resourceType" : "MedicinalProductDefinition",
  "id" : "Acetamin-500-20-generic",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: MedicinalProductDefinition</b><a name=\"Acetamin-500-20-generic\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource MedicinalProductDefinition &quot;Acetamin-500-20-generic&quot; </p></div><p><b>identifier</b>: <span title=\" contained&gt;\n\t\t&lt;Ingredient&gt;\n\t\t\t&lt;id value=&quot;Acetamin-ing-500&quot;/&gt;\n\t\t\t&lt;status value=&quot;active&quot;/&gt;\n\t\t\t&lt;for&gt;\n\t\t\t\t&lt;reference value=&quot;ManufacturedItemDefinition/Acetamin-tab-500&quot;/&gt;\n\t\t\t&lt;/for&gt;\n\t\t\t&lt;role&gt;\n\t\t\t\t&lt;coding&gt;\n\t\t\t\t\t&lt;code value=&quot;active&quot;/&gt;\n\t\t\t\t&lt;/coding&gt;\n\t\t\t&lt;/role&gt;\n\t\t\t&lt;substance&gt;\n\t\t\t\t&lt;code&gt;\n\t\t\t\t\t&lt;concept&gt;\n\t\t\t\t\t&lt;coding&gt;\n\t\t\t\t\t\t&lt;system value=&quot;http://snomed.info/sct&quot;/&gt;\n\t\t\t\t\t\t&lt;code value=&quot;387517004&quot;/&gt;\n\t\t\t\t\t\t&lt;display value=&quot;Acetaminophen&quot;/&gt;\n\t\t\t\t\t&lt;/coding&gt;\n\t\t\t\t\t&lt;/concept&gt;\n\t\t\t\t&lt;/code&gt;\n\t\t\t\t&lt;strength&gt;\n\t\t\t\t\t&lt;presentationRatio&gt;\n\t\t\t\t\t\t&lt;numerator&gt;\n\t\t\t\t\t\t\t&lt;value value=&quot;500&quot;/&gt;\n\t\t\t\t\t\t\t&lt;unit value=&quot;mg&quot;/&gt;\n\t\t\t\t\t\t&lt;/numerator&gt;\n\t\t\t\t\t\t&lt;denominator&gt;\n\t\t\t\t\t\t\t&lt;value value=&quot;1&quot;/&gt;\n\t\t\t\t\t\t\t&lt;unit value=&quot;tablet&quot;/&gt;\n\t\t\t\t\t\t&lt;/denominator&gt;\n\t\t\t\t\t&lt;/presentationRatio&gt;\n\t\t\t\t&lt;/strength&gt;\n\t\t\t&lt;/substance&gt;\n\t\t&lt;/Ingredient&gt;\n\t&lt;/contained \">id:\u00a012345</span></p><h3>Names</h3><table class=\"grid\"><tr><td>-</td><td><b>ProductName</b></td></tr><tr><td>*</td><td>Acetaminophen 500 mg tablets [generic]</td></tr></table></div>"
  },
  "contained" : [{
    "resourceType" : "PackagedProductDefinition",
    "id" : "Acetamin-pack-20",
    "packageFor" : [{
      "reference" : "#"
    }],
    "packaging" : {
      "type" : {
        "coding" : [{
          "code" : "cardboard box"
        }]
      },
      "containedItem" : [{
        "item" : {
          "reference" : {
            "reference" : "#Acetamin-tab-500"
          }
        },
        "amount" : {
          "value" : 20
        }
      }]
    }
  },
  {
    "resourceType" : "ManufacturedItemDefinition",
    "id" : "Acetamin-tab-500",
    "status" : "active",
    "manufacturedDoseForm" : {
      "coding" : [{
        "code" : "tablet"
      }]
    }
  }],
  "identifier" : [{
    "system" : "http://example.nation.org/drugs",
    "value" : "12345"
  }],
  "name" : [{
    "productName" : "Acetaminophen 500 mg tablets [generic]"
  }]
}