[Dimethylamino-[(3，5-dioxo-4-azatricyclo[5.2.1.02，6]dec-8-en-4-yl)oxy]methylidene]-dimethylazanium

[Dimethylamino-[(3，5-dioxo-4-azatricyclo[5.2.1.02，6]dec-8-en-4-yl)oxy]methylidene]-dimethylazanium 98%