http://qiserver.ugr.es/cod/1530568.cif
http://qiserver.ugr.es/cod/1540705.cif
http://qiserver.ugr.es/cod/6000181.cif
http://qiserver.ugr.es/cod/6000285.cif
http://qiserver.ugr.es/cod/9012921.cif
http://qiserver.ugr.es/cod/9012922.cif
http://qiserver.ugr.es/cod/9014595.cif
http://qiserver.ugr.es/cod/9016125.cif
http://qiserver.ugr.es/cod/9017399.cif