http://qiserver.ugr.es/cod/4124683.cif
http://qiserver.ugr.es/cod/4124845.cif
http://qiserver.ugr.es/cod/4124846.cif
http://qiserver.ugr.es/cod/4124848.cif
http://qiserver.ugr.es/cod/4124849.cif
http://qiserver.ugr.es/cod/4124869.cif