申请人:RECORDATI S.A.
CHEMICAL and PHARMACEUTICAL COMPANY
公开号:EP0069527A2
公开(公告)日:1983-01-12
Cystine derivatives of the formula and pharmaceutically acceptable salts thereof are provided
I: R= tosyl or benzyloxycarbonyl
They have expectorant, antitussive and respiratory tract fluid fluidifying activity. Pharmaceutical preparations containing them are claimed. They are prepared by reaction of
with bromhexine.