Fig. 3From: Synthesis, characterization, and antibacterial activity studies of two Co(II) complexes with 2-[(E)-(3-acetyl-4-hydroxyphenyl)diazenyl]-4-(2-hydroxyphenyl)thiophene-3-carboxylic acid as a liganda Infrared spectrum of compound 12. b Superposed infrared spectra of compounds 11 (black) and 12 (blue)Back to article page