http://qiserver.ugr.es/cod/1008323.cif
http://qiserver.ugr.es/cod/1008324.cif
http://qiserver.ugr.es/cod/1008813.cif
http://qiserver.ugr.es/cod/1008948.cif
http://qiserver.ugr.es/cod/2105350.cif
http://qiserver.ugr.es/cod/2106145.cif
http://qiserver.ugr.es/cod/2106146.cif
http://qiserver.ugr.es/cod/2106168.cif
http://qiserver.ugr.es/cod/9011243.cif