http://qiserver.ugr.es/cod/4331404.cif
http://qiserver.ugr.es/cod/4331405.cif
http://qiserver.ugr.es/cod/4344265.cif
http://qiserver.ugr.es/cod/4344274.cif
http://qiserver.ugr.es/cod/4344280.cif
http://qiserver.ugr.es/cod/4344281.cif