http://qiserver.ugr.es/cod/1528546.cif
http://qiserver.ugr.es/cod/1528547.cif
http://qiserver.ugr.es/cod/1528548.cif
http://qiserver.ugr.es/cod/1528549.cif
http://qiserver.ugr.es/cod/1528550.cif
http://qiserver.ugr.es/cod/1528551.cif
http://qiserver.ugr.es/cod/1528552.cif
http://qiserver.ugr.es/cod/1528553.cif