Alpha-amino acids, e.g. alanine or edetic acid [EDTA] (betaine A61K31/205; proline A61K31/401; tryptophan A61K31/405; histidine A61K31/4172; peptides not degraded to individual amino acids A61K38/00)

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Medicinal preparations containing organic active ingredients > Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids (hydroxamic acids A61K31/16; peroxy acids A61K31/327) > Carboxylic acids, e.g. valproic acid (salicylic acid A61K31/60) > having an amino group > the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid (carnitine A61K31/205) > Alpha-amino acids, e.g. alanine or edetic acid [EDTA] (betaine A61K31/205; proline A61K31/401; tryptophan A61K31/405; histidine A61K31/4172; peptides not degraded to individual amino acids A61K38/00)