Fig. 4
From: Antibacterial activity of Cu(II) and Co(II) porphyrins: role of ligand modification
Inhibition of; a Escherichia coli (E. coli) and b Klebsiella pneumoniae (K. pneumoniae) by 5, 10, 15, 20-tetrakis (p-carboxyphenyl)porphyrinato cobalt (II)