Substituted heterocyclic compound

Abstract

The present invention, various disease states, especially cardiovascular diseases (e.g., atrial arrhythmia, ventricular arrhythmia, intermittent row, Prinzmetal's (variant) angina, stable angina, unstable angina, exercise induced angina, congestive heart heart failure or myocardial infarction) treatment effective for, provides novel heterocyclic derivative. The compounds may also discloses that it is also effective in the treatment of diabetes mellitus.