| 摘要 |
<p>PURPOSE:Carbostyril derivatives of formula I are new: (where R1 is H, lower alkyl, lower alkenyl or aralkyl; the bond in the 3-4 position is single bond or double bond; R2 is H or lower alkyl; m and n are 0 or an positive integer, provided 1<=n+m<=11;X2 is halogen), in an example, 5-(6-bromo) hexyloxy-3,4-dihydrocarbostyril.</p> |
