http://qiserver.ugr.es/cod/1522727.cif
http://qiserver.ugr.es/cod/1523068.cif
http://qiserver.ugr.es/cod/1523148.cif
http://qiserver.ugr.es/cod/1523149.cif
http://qiserver.ugr.es/cod/1524404.cif
http://qiserver.ugr.es/cod/1525524.cif
http://qiserver.ugr.es/cod/1539287.cif
http://qiserver.ugr.es/cod/1539289.cif