A compound according to formula (I) wherein z© is a phenyl ring, a C4 to C9 heteroaromatic compound containing one or more heteroatoms, or a naphthalenyl, 5,6,7,8-tetrahydronaphthalenyl or biphenyl group; which shows high affinity for muscarinic M3 receptors (Hm3).
式子(I)所表示的化合物中,z©为苯环、含有一个或多个杂原子的C4到C9杂芳香化合物,或
萘基、5,6,7,8-四氢
萘基或
联苯基;该化合物对肌动蛋白M3受体(Hm3)具有高亲和力。