http://qiserver.ugr.es/cod/1522321.cif
http://qiserver.ugr.es/cod/1522323.cif
http://qiserver.ugr.es/cod/1522325.cif
http://qiserver.ugr.es/cod/1522327.cif
http://qiserver.ugr.es/cod/1522329.cif