Hydroxyalkylcysteine derivative and expectorant containing the same
AssigneeSS Pharmaceutical Co., Ltd.
InventorsYoshikuni Itoh, Hiroyuki Mizuno, Chikako Kiyohara, Susumu Sato, Tatsuhiko Katori
Life of this patent
Estimating the term…
Abstract
Novel hydroxyalkylcysteine derivatives of the following formula (I) and an expectorant comprising the same are disclosed. ##STR1## wherein n represents an integer of 5 to 24. The expectorant is stabile, has little side effects and toxicity, and exhibits an excellent expectorant effect.
Claims2
A hydroxyalkylcysteine derivative of the following formula (I), ##STR4## wherein n represents an integer of 5 to 24.
An expectorant comprising a hydroxyalkylcysteine derivative of the following formula (I), ##STR5## wherein n represents an integer of 5 to 24 and a carrier therefor.
Dependencies are inferred from the claim text.