sodium phenylbutyrateWHO ATC codeA16AX03Also known as4pba · benzenebutanoic acid, sodium salt · buphenyl · sodium 4-phenylbutyrateAvailable in 2 countries🇬🇧United Kingdom22Ammonaps 500mg tabletsOTCPheburane 483mg/g granulesOTCPheburane 350mg/ml oral solutionOTCSee all sodium phenylbutyrate in United Kingdom →🇨🇦Canada1PHEBURANESee all sodium phenylbutyrate in Canada →