http://qiserver.ugr.es/cod/1509247.cif
http://qiserver.ugr.es/cod/1509248.cif
http://qiserver.ugr.es/cod/1509249.cif
http://qiserver.ugr.es/cod/1548338.cif
http://qiserver.ugr.es/cod/9014304.cif
http://qiserver.ugr.es/cod/9016228.cif