http://qiserver.ugr.es/cod/1008607.cif
http://qiserver.ugr.es/cod/1008608.cif
http://qiserver.ugr.es/cod/1008609.cif
http://qiserver.ugr.es/cod/1009069.cif
http://qiserver.ugr.es/cod/1009070.cif