Abstract: It is an object to provide a radical scavenger, an active oxygen-scavenging agent and the like, which are highly efficacious clinically and novel, and so as to attain the object, 3,4-dihydroxyphenylalanine derivatives such as N-?-alanyl-5-S-glutathionyl-3,4-dihydroxyphenylalanine (5-S-GAD) or pharmaceutically acceptable salts thereof are contained as an active ingredient.
Abstract: It is an object to provide a radical scavenger, an active oxygen-scavenging agent and the like, which are highly efficacious clinically and novel, and so as to attain the object, 3,4-dihydroxyphenylalanine derivatives such as N-?-alanyl-5-S-glutathionyl-3,4-dihydroxyphenylalanine (5-S-GAD) or pharmaceutically acceptable salts thereof are contained as an active ingredient.
Abstract: It is an object to provide a radical scavenger, an active oxygen-scavenging agent and the like, which are highly efficacious clinically and novel, and so as to attain the object, 3,4-dihydroxyphenylalanine derivatives such as N-?-alanyl-5-S-glutathionyl-1-3,4-dihydroxyphenylalanine (5-S-GAD) or pharmaceutically acceptable salts thereof are contained as an active ingredient.
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