. . . . . "a drug that has a trade name and is protected by a patent (can be produced and sold only by the company holding the patent)"@en-us . . . . "brand-name drug"^^ . . "0"^^ . . "0"^^ . . "brand-name drug"@en-us . . . "02891566-n"^^ . "102788634"@en-us . "102891566"^^ . "proprietary drug"@en-us .