Patent ID: 8383789

Claim:
An L-nucleic acid that binds a vasopressin comprising the formula: in which --- denotes a polyethylene glycol (PEG) group in the 5′→3′ direction between Helix1 and Helix2, Helix1 and Helix2, in each case, comprises 6 or 7 nucleotides, Helix1 and Helix2 are complementary and form a double-stranded helix, WWWWWWW-Box2-Helix2 comprise SEQ ID NO: 54, wherein Box2 is the sequence GGGGUAGGGMUUGGAHGGGHA (SEQ ID NO:50), in which M in each case and independently is A or C, and H in each case and independently is A, C or U, the W stretch WWWWWWW consists of 0 to 7 Ws, in which W is A or U; and Helix1 and Box1 comprise the sequence NNNNNNNGUGGW (SEQ ID NO: 55), wherein Box1 is GUGGW, in which W is A or U, and W consist of 0 to 2 Ws.