http://qiserver.ugr.es/cod/1522465.cif
http://qiserver.ugr.es/cod/1522466.cif
http://qiserver.ugr.es/cod/1522467.cif
http://qiserver.ugr.es/cod/1522468.cif
http://qiserver.ugr.es/cod/1523100.cif
http://qiserver.ugr.es/cod/1523101.cif
http://qiserver.ugr.es/cod/1524919.cif