. . . . "meperidine hydrochloride"@en-us . "03747103-n"^^ . . . "0.25"^^ . . "0.125"^^ . . "meperidine"^^ . "103606765"@en-us . "102986023"@en-us . . "a synthetic narcotic drug (trade name Demerol) used to treat pain"@en-us . "Demerol"@en-us . "103747103"^^ . "meperidine"@en-us . . . .