申请人:BOC, INC.
公开号:EP0323733A1
公开(公告)日:1989-07-12
A compound of the formula
or a pharmaceutically acceptable acid addition salt thereof, in which formula: R¹ is a pyridyl group; R² is substituted or unsubstituted phenyl wherein the substituent is a halogen atom; R³ is a lower alkyl group; and L is a phenyl lower alkyl group; a pyrazolyl lower alkyl group; a (4,5-di-hydro-5-oxo-1H-tetrazolyl) lower alkyl group or a (4-lower alkyl, 4,5-dihydro-5-oxo-1H-tetrazol) lower alkyl group is useful as an analgesic or anaesthetic.
式中的化合物
或其药学上可接受的酸加成盐,式中R¹为吡啶基;R²为取代或未取代的苯基,其中取代基为卤素原子;R³为低级烷基;L为苯基低级烷基;吡唑低级烷基;(4,5-二氢-5-氧代-1H-四唑)低级烷基或(4-低级烷基,4,5-二氢-5-氧代-1H-四唑)低级烷基,可用作镇痛剂或麻醉剂。