http://qiserver.ugr.es/cod/1509419.cif
http://qiserver.ugr.es/cod/1509472.cif
http://qiserver.ugr.es/cod/1509539.cif
http://qiserver.ugr.es/cod/1511512.cif
http://qiserver.ugr.es/cod/1511751.cif
http://qiserver.ugr.es/cod/1524608.cif
http://qiserver.ugr.es/cod/1525523.cif
http://qiserver.ugr.es/cod/1537959.cif
http://qiserver.ugr.es/cod/1537961.cif
http://qiserver.ugr.es/cod/1537963.cif
http://qiserver.ugr.es/cod/2002294.cif