http://qiserver.ugr.es/cod/1563122.cif
http://qiserver.ugr.es/cod/9008562.cif
http://qiserver.ugr.es/cod/9008572.cif
http://qiserver.ugr.es/cod/9008573.cif
http://qiserver.ugr.es/cod/9008593.cif
http://qiserver.ugr.es/cod/9008594.cif
http://qiserver.ugr.es/cod/9008595.cif