Pyridine derivatives of formula ##STR1## their heteroaromatic N-oxides and their pharmaceutically acceptable acid addition salts are disclosed. In the formula z is 0, 1 and 2 and R, R.sup.1, R.sup.2 and R.sup.2 have specified meanings. The compounds exhibit activity as 5-HT.sub.1A agonists, antagonists or partial agonists and are useful for the treatment of CNS disorders e.g. anxiety, as antihypertensives and in treating anorexia.
公开了式为##STR1##的
吡啶衍生物,它们的杂环芳香族N-氧化物和药学上可接受的酸加合盐。在公式中,z为0,1和2,R,R.sup.1,R.sup.2和R.sup.2具有特定的含义。这些化合物表现出5-HT.sub.1A激动剂,拮抗剂或部分激动剂的活性,可用于治疗中枢神经系统疾病,例如焦虑症,作为降压药物和治疗厌食症。