23111-33-3 3,5-Pyrazolidinedione, 4-butyl-1,2-diphenyl-4-(hydroxymethyl)- 3,5-Pyrazolidinedione, 4-butyl-4-(hydroxymethyl)-1,2-diphenyl- 4-25-00-00270 (Beilstein Handbook Reference) 4-Butyl-1,2-diphenyl-4-(hydroxymethyl)-3,5-pyrazolidinedione 4-Butyl-4-(hydroxymethyl)-1,2-diphenyl-3,5-pyrazolidinedione 4-Hydroxymethylbutazolidine 4-Hydroxymethylphenylbutazone BRN 0329861 Hydroxymethylphenylbutazone