http://qiserver.ugr.es/cod/1537350.cif
http://qiserver.ugr.es/cod/1537351.cif
http://qiserver.ugr.es/cod/1538235.cif
http://qiserver.ugr.es/cod/1538238.cif
http://qiserver.ugr.es/cod/1539489.cif