Oligonucleotide-folate conjugates are described wherein folates are conjugated to one or more sites on an oligonucleotide including the 2-, 3-, 5-, nucleobase and internucleotide linkage sites. The folate can be attached via the - or -carboxylate, optionally through a linking group. Methods for the regiospecific...http://www.google.es/patents/US6335434?utm_source=gb-gplus-sharePatente US6335434 - Nucleosidic and non-nucleosidic folate conjugates
