also , dietary protein deficiency was associated with a decrease in the urinary excretion of various metabolites of phenylbutazone , namely , oxyphenbutazone , gamma-hydroxyphenylbutazone , beta-hydroxyphenylbutazone , p , gamma-dihydroxyphenylbutazone , and an unknown metabolite ( not identified ) .
C0031463
phenylbutazone
C0030078
hydroxyphenylbutazone