| abstract |
Compounds of formula I: (see formula (I)) (in which the variables A1, A2, A3, A4, m, n, J, Q, R4, Ea, Eb, Ec, R6, R7, Re, Rf , RPG and Y are as described herein) that they are antagonists of CGRP receptors and that they are useful in the treatment or prevention of diseases in which CGRP is involved, such as migraine. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which CGRP is involved. |