http://qiserver.ugr.es/cod/1509599.cif
http://qiserver.ugr.es/cod/1509603.cif
http://qiserver.ugr.es/cod/1509666.cif
http://qiserver.ugr.es/cod/1509667.cif
http://qiserver.ugr.es/cod/1509809.cif
http://qiserver.ugr.es/cod/1509812.cif