http://qiserver.ugr.es/cod/1510238.cif
http://qiserver.ugr.es/cod/1510241.cif
http://qiserver.ugr.es/cod/1524896.cif
http://qiserver.ugr.es/cod/1538786.cif
http://qiserver.ugr.es/cod/1538789.cif