. "propoxyphene hydrochloride"@en-us . "104012852"^^ . . "Darvon"@en-us . "propoxyphene"@en-us . "0"^^ . . "103179400"@en-us . . . . "0"^^ . "propoxyphene"^^ . . "103861188"@en-us . "04012852-n"^^ . . . . . "a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive"@en-us . .