SI-derived units special

{
  "id": "SI_derived_special",
  "unitsml_id": "us:si-derived-special",
  "name": "SI-derived units special",
  "short": "si-derived-special",
  "acceptable": true,
  "unit_count": 22,
  "identifiers": [
    {
      "type": "nist",
      "id": "SI_derived_special"
    },
    {
      "type": "unitsml",
      "id": "us:si-derived-special"
    }
  ],
  "base_units": []
}