The Interaction of α-Hydroxycarboxylic Acids with Metal Ions: Lactic Acid (H2L1) and 2-Methyllactic Acid (H2L2) with Cobalt(II) Crystal and Molecular Structures of [Co(HL1)2(H2O)2]·H2O and [Co(HL2)2(H2O)2] | Publicación