http://qiserver.ugr.es/cod/1522623.cif
http://qiserver.ugr.es/cod/1522624.cif
http://qiserver.ugr.es/cod/1522625.cif
http://qiserver.ugr.es/cod/1522626.cif
http://qiserver.ugr.es/cod/1522627.cif
http://qiserver.ugr.es/cod/1523010.cif
http://qiserver.ugr.es/cod/1523205.cif
http://qiserver.ugr.es/cod/1538921.cif