http://qiserver.ugr.es/cod/1000040.cif
http://qiserver.ugr.es/cod/1200007.cif
http://qiserver.ugr.es/cod/1200009.cif
http://qiserver.ugr.es/cod/1522063.cif
http://qiserver.ugr.es/cod/2002240.cif
http://qiserver.ugr.es/cod/2002271.cif
http://qiserver.ugr.es/cod/4505852.cif
http://qiserver.ugr.es/cod/6000285.cif
http://qiserver.ugr.es/cod/7222231.cif
http://qiserver.ugr.es/cod/8104231.cif
http://qiserver.ugr.es/cod/9011113.cif