| 摘要 |
<p>Heterocycle-fused benzothiazine derivatives represented by general formula (I) and salts thereof or hydrates of the same which are efficacious in preventing and treating diseases in which histamine, leukotriene, etc. participate, wherein the ring Het represents an unsaturated heterocycle; R?1 and R2¿ are the same or different and each represents halogeno, optionally substituted alkyl, alkoxy, cyano, etc.; D represents optionally substituted lower alkylene, etc.; Q represents amino, carboxy, a heterocycle, etc.; and x is an integer of 1 or 2.</p> |
