http://qiserver.ugr.es/cod/1510649.cif
http://qiserver.ugr.es/cod/1534454.cif
http://qiserver.ugr.es/cod/1534649.cif
http://qiserver.ugr.es/cod/1535378.cif
http://qiserver.ugr.es/cod/1535549.cif
http://qiserver.ugr.es/cod/1535663.cif