http://qiserver.ugr.es/cod/4086312.cif
http://qiserver.ugr.es/cod/4086313.cif
http://qiserver.ugr.es/cod/4086314.cif
http://qiserver.ugr.es/cod/4086315.cif
http://qiserver.ugr.es/cod/4086316.cif