http://qiserver.ugr.es/cod/1536702.cif
http://qiserver.ugr.es/cod/1536704.cif
http://qiserver.ugr.es/cod/1536707.cif
http://qiserver.ugr.es/cod/1539064.cif
http://qiserver.ugr.es/cod/1539065.cif
http://qiserver.ugr.es/cod/9009793.cif
http://qiserver.ugr.es/cod/9009794.cif
http://qiserver.ugr.es/cod/9009795.cif