http://qiserver.ugr.es/cod/1529985.cif
http://qiserver.ugr.es/cod/9005779.cif
http://qiserver.ugr.es/cod/9005780.cif
http://qiserver.ugr.es/cod/9005781.cif
http://qiserver.ugr.es/cod/9005782.cif