http://qiserver.ugr.es/cod/1514111.cif
http://qiserver.ugr.es/cod/1514118.cif
http://qiserver.ugr.es/cod/1521794.cif
http://qiserver.ugr.es/cod/1524686.cif
http://qiserver.ugr.es/cod/1524687.cif
http://qiserver.ugr.es/cod/1525053.cif
http://qiserver.ugr.es/cod/1528599.cif