Compounds of general formula (I) : wherein R2a, R2b, R3a, R3b, R5, Y and R7 are as defined herein are selective agonists at the FXR receptor and are useful for the treatment or prevention of diseases and conditions including nonalcoholic steatohepatitis (NASH); primary biliary cirrhosis; primary sclerosing cholangitis; biliary atresia; cholestatic liver disease; hepatitis C infection; alcoholic liver disease; fibrosis; or liver damage arising from fibrosis.