The present invention relates to PNA derivatives which carry, at the C terminus, or at both the C and N termini of the PNA backbone, one or more phosphoryl radicals. The phosphoryl radicals carry, where appropriate, one or more labeling groups, groups for crosslinking, groups which promote intracellular...http://www.google.com.au/patents/US7550582?utm_source=gb-gplus-sharePatent US7550582 - Polyamide nucleic acid derivatives and agents, and processes for preparing them
