the synthesis is described of a suitably protected decapeptide derivative corresponding to the c-terminal tyrosin-o-sulfate-containing sequence 24 -- 33 of cholecystokinin-pancreozymin as key fragment for the total synthesis of this gastrointestinal hormone or its 39-variant .
C0008328
cholecystokinin-pancreozymin
C0017182
gastrointestinal hormone