| 摘要 |
(4a, 11b)-3,4,4a,5,6,11b-hexahydro-2H-[1 benzoxepino [5,4-b -1,4- oxazines of formula (I) and their pharmaceutically acceptable salts are prepared. In (I), R and R1 are each H, F, Cl or lower alkyl; R2 is H, lower alkyl, phenyl lower alkyl, cyclopropylmethyl or 2- furanylmethyl. (I) have muscle relaxants and analgesic activities.
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