The present invention relates to a compound represented by formula 1 or an addition salt thereof, a pharmaceutical composition containing the compound, a method for its preparation as well as the use of the compound as an hypnotic agent or anesthetic agent:
wherein each symbol is as defined in the Specification.
本发明涉及一种由式1表示的化合物或其加成盐,含有该化合物的药物组合物,其制备方法以及将该化合物用作催眠剂或
麻醉剂的用途。其中,每个符号如规范中所定义。