The formation of gamma-hydroxy-gamma-methylglutamic acid form a common impurity in pyruvic acid.
D005720:Gamma Rays; D005971:Glutamates / Q000737:chemistry*; D011773:Pyruvates / Q000737:chemistry*; D019289:Pyruvic Acid
D005971:Glutamates; D011773:Pyruvates; D019289:Pyruvic Acid
GLUTAMATES/chemistry; PYRUVATES/chemistry