Triacetylmethane
Triacetylmethane is the organic compound with the formula . It is a colorless liquid that is soluble in organic solvents and in alkaline water. It readily forms an enolate. The enolate forms a variety of metal complexes related to the metal acetylacetonates. References

Triketones
Chelating agents
Tridentate ligands
3-Hydroxypropenals
Enols