| 摘要 |
PCT No. PCT/SE96/01650 Sec. 371 Date Mar. 3, 1997 Sec. 102(e) Date Mar. 3, 1997 PCT Filed Dec. 13, 1996 PCT Pub. No. WO97/23470 PCT Pub. Date Jul. 3, 1997Compounds of formula I, wherein X represents naphthyl optionally substituted by alkyl or halogen; and p, q and r independently represent 2 or 3, and pharmaceutically acceptable salts thereof; processes for their preparation and methods for their use. |
