1,2-Diphenyl-4-((p-methoxyanilino)methylene)-3,5-pyrazolidinedione 23711-45-7 3,5-Pyrazolidinedione, 1,2-diphenyl-4-(p-methoxyanilinomethylene)- 5-25-15-00485 (Beilstein Handbook Reference) BRN 0709198