http://qiserver.ugr.es/cod/1544408.cif
http://qiserver.ugr.es/cod/1544409.cif
http://qiserver.ugr.es/cod/1544411.cif
http://qiserver.ugr.es/cod/1544412.cif
http://qiserver.ugr.es/cod/1544414.cif
http://qiserver.ugr.es/cod/1545061.cif