http://qiserver.ugr.es/cod/1528348.cif
http://qiserver.ugr.es/cod/1529797.cif
http://qiserver.ugr.es/cod/1535661.cif
http://qiserver.ugr.es/cod/1539807.cif
http://qiserver.ugr.es/cod/1541740.cif
http://qiserver.ugr.es/cod/2020137.cif
http://qiserver.ugr.es/cod/2106737.cif
http://qiserver.ugr.es/cod/2106738.cif
http://qiserver.ugr.es/cod/9013974.cif