{"type":"rich","version":"1.0","title":"**Các oxit của cacbon**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YeZFih6xCeDMHFaw/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/61e6458a1eb109e0cc1c56b0\" frameborder=\"0\" allowfullscreen></iframe>"}