http://qiserver.ugr.es/cod/1509128.cif
http://qiserver.ugr.es/cod/1522667.cif
http://qiserver.ugr.es/cod/1522668.cif
http://qiserver.ugr.es/cod/1522669.cif
http://qiserver.ugr.es/cod/1522670.cif
http://qiserver.ugr.es/cod/1522671.cif
http://qiserver.ugr.es/cod/1525109.cif
http://qiserver.ugr.es/cod/1525110.cif