http://qiserver.ugr.es/cod/1509895.cif
http://qiserver.ugr.es/cod/9009467.cif
http://qiserver.ugr.es/cod/9009468.cif
http://qiserver.ugr.es/cod/9009469.cif
http://qiserver.ugr.es/cod/9011797.cif
http://qiserver.ugr.es/cod/9014872.cif