http://qiserver.ugr.es/cod/4350794.cif
http://qiserver.ugr.es/cod/4350795.cif
http://qiserver.ugr.es/cod/4350796.cif
http://qiserver.ugr.es/cod/4350797.cif
http://qiserver.ugr.es/cod/4350818.cif