http://qiserver.ugr.es/cod/4516781.cif
http://qiserver.ugr.es/cod/4516782.cif
http://qiserver.ugr.es/cod/4516783.cif
http://qiserver.ugr.es/cod/4516784.cif
http://qiserver.ugr.es/cod/4516785.cif
http://qiserver.ugr.es/cod/4516786.cif
http://qiserver.ugr.es/cod/4516787.cif
http://qiserver.ugr.es/cod/4516788.cif
http://qiserver.ugr.es/cod/4516789.cif