http://qiserver.ugr.es/cod/1511472.cif
http://qiserver.ugr.es/cod/1541299.cif
http://qiserver.ugr.es/cod/1541300.cif
http://qiserver.ugr.es/cod/1541301.cif
http://qiserver.ugr.es/cod/1541302.cif
http://qiserver.ugr.es/cod/1541303.cif
http://qiserver.ugr.es/cod/1541304.cif
http://qiserver.ugr.es/cod/1541305.cif
http://qiserver.ugr.es/cod/1541306.cif
http://qiserver.ugr.es/cod/1541307.cif