http://qiserver.ugr.es/cod/1514104.cif
http://qiserver.ugr.es/cod/1529590.cif
http://qiserver.ugr.es/cod/1529762.cif
http://qiserver.ugr.es/cod/1530430.cif
http://qiserver.ugr.es/cod/1530431.cif
http://qiserver.ugr.es/cod/1539968.cif
http://qiserver.ugr.es/cod/9014854.cif
http://qiserver.ugr.es/cod/9015368.cif