[Synonyms]
1,3-diphenyl-1H-pyrazole-4,5-dione 4-({4-nitrophenyl}hydrazone) 1H-Pyrazole-4,5-dione, 1,3-diphenyl-, 4-[2-(4-nitrophenyl)hydrazone] 4-[(4-nitrophenyl)hydrazono]-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one (4E)-4-[2-(4-nitrophenyl)hydrazinylidene]-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one |