http://qiserver.ugr.es/cod/1528294.cif
http://qiserver.ugr.es/cod/1528498.cif
http://qiserver.ugr.es/cod/1528576.cif
http://qiserver.ugr.es/cod/1528577.cif
http://qiserver.ugr.es/cod/1529048.cif