英文别名
1,2,1',2'-tetraphenyl-4,4'-p-phenylenedimethylene-bis-pyrazolidine-3,5-dione;4-[[4-[(3,5-Dioxo-1,2-diphenylpyrazolidin-4-ylidene)methyl]phenyl]methylidene]-1,2-diphenylpyrazolidine-3,5-dione;4-[[4-[(3,5-dioxo-1,2-diphenylpyrazolidin-4-ylidene)methyl]phenyl]methylidene]-1,2-diphenylpyrazolidine-3,5-dione