2- 4- (PYRAZOL-4-ILALKIL) PIPERAZIN-1-IL -3-PHENYL PIRASINES AND PYRIDINES AND 3- 4- (PYRAZOL-4-ILALKIL) PIPERAZIN-1-IL -2-PHENYL-Pyrynyl QUALITY OF ANTAGONISTS OF 5-HT RECEPTORS

摘要

The present invention provides compounds of formula I, which are selective 5-HT receptor antagonists, and their use in the treatment of migraine, persistent pain and anxiety, where each of A and B is independently —C (H) = or —N =, provided that at least one of A and B is —N =, n is 1-3, m is 0-3, and R are as defined herein.