Studies of 4-N-methylpyridyl and halogenphenyl substituted ironporphyrins-OH complexes by EPR and UV-VIS spectroscopies - Neri, Cláudio Roberto; Manso, Cynthia Maria de Campos Prado; Vidoto, Ednalva Aparecida; Vinhado, Fábio Silva; Serra, Osvaldo Antonio; Nascimento, Otaciro Rangel; Martins, Patricia R (Brazilian Meeting on Inorganic Chemistry - BMIC, 1998)