β-methyl substitution of cyclohexylalanine in Dmt-Tic-Cha-Phe peptides results in highly potent δ opioid antagonists

1. Tóth, G.
2. Ioja, E.
3. Tömböly, C.
4. Ballet, S.
5. Tourwé, D.
6. Péter, A.
7. Martinek, T.
8. Chung, N.N.
9. Schiller, P.W.
10. Benyhe, S.
11. Borsodi, A.