http://qiserver.ugr.es/cod/1001654.cif
http://qiserver.ugr.es/cod/1532925.cif
http://qiserver.ugr.es/cod/1535021.cif
http://qiserver.ugr.es/cod/2310723.cif
http://qiserver.ugr.es/cod/8103957.cif
http://qiserver.ugr.es/cod/9000309.cif
http://qiserver.ugr.es/cod/9008408.cif
http://qiserver.ugr.es/cod/9008409.cif
http://qiserver.ugr.es/cod/9008410.cif