Pharmaceutical composition for the prevention or treatment of pruritus, and, process for preventing or treating pruritus in a mammal

摘要

"PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR TREATMENT OF ITCHES, AND, PROCESS TO PREVENT OR TREAT ITCHES IN A MAMMALIAN" Anti-itch compositions and processes for using the compositions for the prevention or treatment of itch comprising formula (I), where M is (a), (b) or (c), R, R ^ 2 ^, R ^ 3 ^, R ^ 4 ^, R ^ 7 ^, Ar ^ 1 ^ and Ar ^ 2 ^ are as defined in the specification, in a pharmaceutically acceptable vehicle.