http://qiserver.ugr.es/cod/1008884.cif
http://qiserver.ugr.es/cod/1008885.cif
http://qiserver.ugr.es/cod/1008886.cif
http://qiserver.ugr.es/cod/1008887.cif
http://qiserver.ugr.es/cod/1008888.cif
http://qiserver.ugr.es/cod/1008889.cif