http://qiserver.ugr.es/cod/1537634.cif
http://qiserver.ugr.es/cod/1537635.cif
http://qiserver.ugr.es/cod/1537636.cif
http://qiserver.ugr.es/cod/1537637.cif
http://qiserver.ugr.es/cod/1537638.cif
http://qiserver.ugr.es/cod/1538884.cif