by carboxylic acids, e.g. acetylsalicylic acid

Full Title

Medicinal preparations containing organic active ingredients > Salicylic acid; Derivatives thereof > having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid (fosfosal A61K31/661) > by carboxylic acids, e.g. acetylsalicylic acid