英文别名
5-[(2,6-Ditert-butylselenopyran-1-ium-4-yl)methylidene]-2-[(2,6-ditert-butylselenopyran-4-ylidene)methyl]-3,4-dioxocyclopenten-1-olate;5-[(2,6-ditert-butylselenopyran-1-ium-4-yl)methylidene]-2-[(2,6-ditert-butylselenopyran-4-ylidene)methyl]-3,4-dioxocyclopenten-1-olate