http://qiserver.ugr.es/cod/1529663.cif
http://qiserver.ugr.es/cod/1530147.cif
http://qiserver.ugr.es/cod/1530148.cif
http://qiserver.ugr.es/cod/1530416.cif
http://qiserver.ugr.es/cod/1530494.cif