the bile salts of ursodeoxycholic acid , glycoursodeoxycholic acid , tauroursodeoxycholic acid , chenodeoxycholic acid , glycochenodeoxycholic acid , and taurochenodeoxycholic acid were each found to inhibit pepsin proteolytic activity in vitro at various concentrations against the refined substrate n-apdt .
C0008024
chenodeoxycholic acid
C0039356
taurochenodeoxycholic acid