. . . . "114078516"@en-us . "hydroxy derivative of butyric acid"@en-us . . "oxybutyric acid"@en-us . "0.25"^^ . "hydroxybutyric acid"@en-us . . . . . . "114927451"^^ . "14927451-n"^^ . "hydroxybutyric acid"^^ . "0"^^ .