Compounds of Formula I or Formula II
wherein R
1
, X and Ar are as described in the specification, pharmaceutically-acceptable salts thereof, processes for preparing them, pharmaceutical compositions containing them and their use in therapy, especially for treatment of conditions associated with reductions in nicotinic transmission.
公式I或公式II的化合物,其中R1、X和Ar如规范描述,其药学上可接受的盐,制备它们的过程,包含它们的制药组合物以及它们在治疗中的使用,特别是用于治疗与
尼古丁传递减少有关的病症。