sodium phenylbutyrate urea cycle disorders drug molecule. also acts as histone acetylase hdac inhibitor and chemical chaperone..

sodium phenylbutyrate urea cycle disorders drug molecule also acts as histone acetylase hdac inhibitor chemical chaperone phenyl butyrate butyric acid salt orphan deacetylase cancer protein misfolding phenylbutyric hyperammonemia cystic fibrosis hydrogen carbon oxygen atoms atomic molecular compound composition chemistry structure formula line drawing skeletal flat icon