1H-Pyrazole-4-carboxaldehyde, 2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl- 4-Antipyrinecarboxaldehyde 4-Formylantipyrine 950-81-2 Antipyraldehyde Antipyrinaldehyd Antipyrine, 4-formyl- Febranine NSC60408