| abstract |
The present invention provides compounds of Formulas I and II (variable R1, in which are useful as antagonists of CGRP receptors and useful for the treatment or prevention of diseases involving CGRP, such as headache, migraine and cluster headache. R2, R3, R4, R6, A, B, G, J, W, X and Y are as defined herein). The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention and treatment of such diseases in which CGRP is involved. |