translate English to French: However, substance P 1-4, substance P 8-11, substance P 9-11, and [Trp7, beta -Ala8]neurokinin A 4-10 failed to compete for binding.
Toutefois, la substance P 1-4, la substance P 8-11, la substance P 9-11 et la [Trp7, beta -Ala8]neurokinine A 4-10 n'ont pu compétitionner pour la fixation.