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