http://qiserver.ugr.es/cod/1534138.cif
http://qiserver.ugr.es/cod/1534139.cif
http://qiserver.ugr.es/cod/1534140.cif
http://qiserver.ugr.es/cod/1536002.cif
http://qiserver.ugr.es/cod/1536005.cif
http://qiserver.ugr.es/cod/2002284.cif