Citation: Marie C Barret; Mary F Mahon; Kieran C Molloy; Jonathan W Steed; Philip Wright (2001). Synthesis and Structural Characterization of Tin(II) and Zinc(II) Derivatives of Cyclic \a-Hydroxyketones, Including the Structures of Sn(maltol)2, Sn(tropolone)2, Zn(tropolone)2, and Zn(hinokitiol)2. Inorganic Chemistry, 40, pp. 4384-4388.