http://qiserver.ugr.es/cod/9011588.cif
http://qiserver.ugr.es/cod/9011589.cif
http://qiserver.ugr.es/cod/9011590.cif
http://qiserver.ugr.es/cod/9011591.cif
http://qiserver.ugr.es/cod/9011592.cif
http://qiserver.ugr.es/cod/9011593.cif