英文别名
4-<4-Nitro-phenylhydrazono>-1,3-diphenyl-2-pyrazolin-5-on;2,5-diphenyl-2H-pyrazole-3,4-dione 4-[(4-nitro-phenyl)-hydrazone];2,5-Diphenyl-2H-pyrazol-3,4-dion-4-(4-nitro-phenylhydrazon);(4E)-4-[(4-nitrophenyl)hydrazinylidene]-2,5-diphenylpyrazol-3-one