Synonyms: Sterazolidin;delta-Butazolid;delta-Butazolidin;delta-Butazolidine;Prednisolone and phenylbutazone (1:250);Phenylbutazone and prednisolone (250:1);AC1L4847;LS-46884;4-butyl-1,2-diphenylpyrazolidine-3,5-dione; (8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione;8054-70-4