http://qiserver.ugr.es/cod/1510841.cif
http://qiserver.ugr.es/cod/1511154.cif
http://qiserver.ugr.es/cod/1529707.cif
http://qiserver.ugr.es/cod/1530140.cif
http://qiserver.ugr.es/cod/1530520.cif
http://qiserver.ugr.es/cod/1530773.cif
http://qiserver.ugr.es/cod/1530786.cif
http://qiserver.ugr.es/cod/9009538.cif
http://qiserver.ugr.es/cod/9009539.cif