| abstract |
(57) [Summary] (Modified) [Purpose] To provide a drug for suppressing withdrawal symptoms of drug addicts and craving for self-administration of narcotic substances. [Structure] The acyl group is preferably acetyl, propionyl, n-butyryl, isobutyryl, valeryl or isovaleryl. For example, an ester of an acyl L-carnitine and γ-hydroxybutyric acid represented by the formula And as a drug to suppress the craving for self-administration of narcotic substances. [In the formula, R is a linear or branched acyl having 2 to 5 carbon atoms] |