http://qiserver.ugr.es/cod/1522880.cif
http://qiserver.ugr.es/cod/9013008.cif
http://qiserver.ugr.es/cod/9013009.cif
http://qiserver.ugr.es/cod/9013010.cif
http://qiserver.ugr.es/cod/9013011.cif