http://qiserver.ugr.es/cod/2002198.cif
http://qiserver.ugr.es/cod/2002889.cif
http://qiserver.ugr.es/cod/7209332.cif
http://qiserver.ugr.es/cod/7209378.cif
http://qiserver.ugr.es/cod/7209400.cif
http://qiserver.ugr.es/cod/7221042.cif
http://qiserver.ugr.es/cod/7221114.cif
http://qiserver.ugr.es/cod/7221115.cif
http://qiserver.ugr.es/cod/7221116.cif
http://qiserver.ugr.es/cod/7221165.cif
http://qiserver.ugr.es/cod/7222952.cif