Biological Studies, Synthesis, Structural, Spectral Characterization and Co-Ordinate Mn (II), Fe (II), Zn (II) (II) Complexes Containing 2-Hydroxy-1- Naphthaldehydeand n,n’-Dimethyl-1,3-Propanediamine Journal title: Archives of Organic and Inorganic Chemical Sciences Authors: Kadhiravan S, Elavarasn A, Murugaiah K, Venkatachelam R, Sivajiganesan S, Kasi Gopinath Subject(s):