http://qiserver.ugr.es/cod/1509119.cif
http://qiserver.ugr.es/cod/1510193.cif
http://qiserver.ugr.es/cod/1537679.cif
http://qiserver.ugr.es/cod/1537682.cif
http://qiserver.ugr.es/cod/1537684.cif
http://qiserver.ugr.es/cod/1537685.cif
http://qiserver.ugr.es/cod/1537688.cif