http://qiserver.ugr.es/cod/2310269.cif
http://qiserver.ugr.es/cod/2310396.cif
http://qiserver.ugr.es/cod/2310514.cif
http://qiserver.ugr.es/cod/2310805.cif
http://qiserver.ugr.es/cod/2310806.cif
http://qiserver.ugr.es/cod/2310808.cif
http://qiserver.ugr.es/cod/9012032.cif