A series of 2-(imidazol-1-ylmethyl)pyridines and 2-(imidazol-1-ylmethyl)quinolines has been prepared, including their pharmaceutically acceptable acid addition salts. These particular compounds are useful in therapy for the treatment of ischaemic heart disease, migraine, transient ischaemic attack and stroke. Preferred member compounds include 2-(imidazol-1-ylmethyl)-3-methoxypyridine, 2-(imidazol-1-ylmethyl)-3-methoxy-6-methylpyridine and 2-(imidazol-1-ylmethyl)-3-benzyloxypyridine, respectively. Alternate methods of preparation are provided and the principal synthetic routes leading to the preferred compounds are described in some detail.