Certain pyridyloxy-or-thio-phenyl propenoic acid derivatives

摘要

Novel pyridine compounds and the pharmaceutically acceptable salts thereof having a specific inhibitory activity on thromboxane A2 biosynthesis in mammals useful for prevention and treatment of various disorders caused by thromboxane A2, for example, thrombosis, cardiac infarction, diabetic vascular complications, asthma, etc. are disclosed.