4-OXO-1-(3-SUBSTITUTED PHENYL-1,4-DIHYDRO-1,8-NAPHTHYRIDINE-3-CARBOXAMIDE PHOSPHODIESTERASE-4 INHIBITORS

摘要

Compounds represented by Formula (I):or a pharmaceutically acceptable saltthereof, are phosphodiesterase 4 inhibitors useful in the treatment of asthmaand inflammation and useful for the enhancement of cognition.