Oblon, Spivak, McClelland, Maier & Neustadt
Hydroxyalkylcysteine derivative and expectorant containing the same
 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. 
SS Pharmaceutical Co., Ltd.
A A
A61P A61K
inventional inventional
Tatsuhiko Hiroyuki Chikako Yoshikuni Susumu
Katori Mizuno Kiyohara Itoh Sato