| 摘要 |
PCT No. PCT/DK96/00292 Sec. 371 Date Dec. 19, 1997 Sec. 102(e) Date Dec. 19, 1997 PCT Filed Jun. 28, 1996 PCT Pub. No. WO97/01556 PCT Pub. Date Jan. 16, 1997Disclosed are compounds of formula (I) selected from the following wherein Y is and wherein A, B, C, D, R, k, m, n, o, p, s, t and u are as defined in the specification. These compounds are useful in treating diseases in the central nervous system related to malfunctioning of the nicotinic cholinergic system. |
