Did you mean: Cyclobutane Tetrone
Cyclobutanetetrone, also called tetraoxocyclobutane, is an organic compound with formula CāOā or (CO)ā, the fourfold ketone of cyclobutane. It would be an oxide of carbon, indeed a tetramer of carbon monoxide.
The compound seems to be... Wikipedia
Classification: Organic compound
ChemSpider ID: 24735246