December 2007 issue
Cover illustration: Metal coordination of quinolone antibiotics is believed to enhance their activity as veterinary drugs. This copper complex of enrofloxacin is an example, with a distorted square-pyramidal coordination having the drug molecule in the basal plane. See Recillas-Mota, Flores-Alamo, Moreno-Esparza & Gracia-Mora [Acta Cryst. (2007), E63, m3030].