| attribute | type | cardinality | unique | required | doc |
|---|
| preferred-name | string | one | yes | | The globally unique, preferred name of the drug. In the WHODrug dictionary
this corresponds to the drug that, for a given Drug Record Number, has the Drug Code with
Seq1 = '01' and Seq2 = '001' (refer to the WHODrug user manual |
| record-number | string | one | yes | | The globally unique, WHO Drug Record Number for this drug. The Drug Record Number corresponds
to the first six characters of the Drug Code (refer to the WHODrug user manual |
| sdg-group | string | one | | | The group from the Standardised Drug Groupings dataset that this drug belongs to |
| variations | string | many | | | A list of variations associated with this drug. Variations include different salts,
preparations or commercial names of the same active moiety. These variations all have
the same Record Number but different Seq1 and Seq2 values |