(1)
Nirmala Devi, S.; Mohanan, K. Manganese(II), Iron(II), Cobalt(II), Nickel(II) and Zinc(II) Complexes of 2-(N-Salicylideneamino)-3-Carboxyethyl-4,5,6,7-Tetrahydrobenzothiophene . ajc 2010, 14, 1678-1682.