generic name

from the GNU version of the Collaborative International Dictionary of English.

• noun The name for a medication, as used in the pharmacopoeia; it cannot be a trademark. The name is typically given by the inventor or discoverer of the drug, but must be approved by a national or international naming authority.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun botany, zoology The scientific name of a genus, conforming to the ICBN or ICZN.
• noun pharmacology, pharmacy The name given to a drug that is used to identify it irrespective of trademark etc.