1-[3,5-Dibromo-N-[[4-(1,4-dihydro-2-oxo-3(2H)-quinazolinyl)-1-piperidinyl]carbonyl]-D-tyrosyl-L-lysyl]-4-(4-pyridinyl)piperazine; N-[(1R)-2-[[(1S)-5-Amino-1-[[4-(4-pyridinyl)-1-piperazinyl]carbonyl]pentyl]amino]-1-[(3,5-dibromo-4-hydroxyphenyl)methyl]-2-oxoethyl]-4-(1,4-dihydro-2-oxo-3(2H)-quinazolinyl)-1-piperidinecarboxamide; BIBN 4096BS; BIBN 4096

Olcegepant is a potent and selective calcitonin gene-related peptide (CGRP) receptor antagonist. Olcegepant displays high affinity for human CGRP receptors and exhibits no significant affinity for 75 other receptors. Olcegepant may a be viable option for the treatment of acute migraines.