24664-51-5 4'-((3-Methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylidene)methylamino)acetanilide 4-(p-Acetamidoanilinomethylene)-3-methyl-1-phenyl-2-pyrazolin-5-one 5-25-14-00509 (Beilstein Handbook Reference) ACETANILIDE, 4'-((3-METHYL-5-OXO-1-PHENYL-2-PYRAZOLIN-4-YLIDENE)METHYLAMINO)- BRN 0834839