英文别名
1,2-Diphenyl-3,5-dioxo-4-<1,2-diphenyl-3,5-dioxo-pyrazolidynyliden-(4)>-pyrazolidin;Bis-<1,2-diphenyl-3,5-dioxo-pyrazolidinyl-(4)>-methin;Bis-(1,2-diphenyl-3,5-dioxo-pyrazolidino)-methin;1,2,1',2'-tetraphenyl-4,4'-methanylylidene-bis-pyrazolidine-3,5-dione;4-[(3,5-Dioxo-1,2-diphenylpyrazolidin-4-yl)methylidene]-1,2-diphenylpyrazolidine-3,5-dione