英文别名
2,5-diphenyl-2H-pyrazole-3,4-dione-4-(2-chloro-phenylhydrazone);2,5-Diphenyl-2H-pyrazol-3,4-dion-4-(2-chlor-phenylhydrazon);4-<2-Chlor-phenylhydrazono>-1,3-diphenyl-2-pyrazolin-5-on;(4E)-4-[(2-chlorophenyl)hydrazinylidene]-2,5-diphenylpyrazol-3-one