http://qiserver.ugr.es/cod/1523966.cif
http://qiserver.ugr.es/cod/9009578.cif
http://qiserver.ugr.es/cod/9009579.cif
http://qiserver.ugr.es/cod/9009580.cif
http://qiserver.ugr.es/cod/9009581.cif
http://qiserver.ugr.es/cod/9009582.cif
http://qiserver.ugr.es/cod/9009583.cif
http://qiserver.ugr.es/cod/9009584.cif
http://qiserver.ugr.es/cod/9009585.cif