Final answer:
The brand name of a drug specifies a particular formulation and manufacturer. The generic name is the official, non-proprietary name of the drug, while the international nonproprietary name (INN) is a globally recognized name for the drug.
Step-by-step explanation:
The brand name of a drug specifies a particular formulation and manufacturer, and the trademark belongs to that manufacturer. The generic name is the official, non-proprietary name of the drug, while the international nonproprietary name (INN) is a globally recognized name for the drug. The preferred name may vary based on region or country.
Learn more about Drug names