16860-43-8

NSC 382672 Butazone EP Impurity B 4-Butyl-4-hydroxy-1,2-diphenylpyraz 1,2-Diphenyl-4-butyl-4-hydroxypyrazolidine-3,5-dione 4-Butyl-4-hydroxy-1,2-diphenyl-3,5-pyrazolidinedione 4-Butyl-4-hydroxy-1,2-diphenylpyrazolidine-3,5-dione 3,5-Pyrazolidinedione, 4-butyl-4-hydroxy-1,2-diphenyl-