http://qiserver.ugr.es/cod/1530118.cif
http://qiserver.ugr.es/cod/1530119.cif
http://qiserver.ugr.es/cod/1530121.cif
http://qiserver.ugr.es/cod/1530340.cif
http://qiserver.ugr.es/cod/1530342.cif
http://qiserver.ugr.es/cod/1530774.cif
http://qiserver.ugr.es/cod/1530801.cif
http://qiserver.ugr.es/cod/9009540.cif