http://qiserver.ugr.es/cod/1008254.cif
http://qiserver.ugr.es/cod/1529781.cif
http://qiserver.ugr.es/cod/1529782.cif
http://qiserver.ugr.es/cod/1530647.cif
http://qiserver.ugr.es/cod/1530942.cif
http://qiserver.ugr.es/cod/1534254.cif
http://qiserver.ugr.es/cod/1537484.cif
http://qiserver.ugr.es/cod/6000338.cif
http://qiserver.ugr.es/cod/6000339.cif