| abstract |
A CGRP receptor antagonist useful in the treatment or prevention of diseases involving CGRP (eg, migraine), wherein the variables B, G 1 , G 2 , G 3 , G 4 , E a , E b , E c , A 1 , A 2 , A 3 , A 4 , R 6 and R PG and Y are as defined herein.] . The present invention further relates to pharmaceutical compositions comprising said compounds and to the use of said compounds and compositions in the prevention or treatment of said diseases in which CGRP is involved. [Chemical 1] |