http://qiserver.ugr.es/cod/1523160.cif
http://qiserver.ugr.es/cod/1523198.cif
http://qiserver.ugr.es/cod/1523199.cif
http://qiserver.ugr.es/cod/1524748.cif
http://qiserver.ugr.es/cod/2002229.cif