http://qiserver.ugr.es/cod/1001561.cif
http://qiserver.ugr.es/cod/1001562.cif
http://qiserver.ugr.es/cod/1001563.cif
http://qiserver.ugr.es/cod/1001564.cif
http://qiserver.ugr.es/cod/1001565.cif
http://qiserver.ugr.es/cod/1001566.cif
http://qiserver.ugr.es/cod/1004100.cif
http://qiserver.ugr.es/cod/1528191.cif
http://qiserver.ugr.es/cod/1535207.cif