http://qiserver.ugr.es/cod/1534087.cif
http://qiserver.ugr.es/cod/1534089.cif
http://qiserver.ugr.es/cod/1534090.cif
http://qiserver.ugr.es/cod/1534091.cif
http://qiserver.ugr.es/cod/1534092.cif