| 摘要 |
<p>Disclosed is therapeutic agent for spinal canal stenosis. Disclosed is a therapeutic agent for spinal canal stenosis which contains as an active ingredient a heterocyclic derivative represented by general formula (1), or a pharmaceutically acceptable salt thereof. In formula (1), R1and R2, which can be the same or different, represent an optionally substituted aryl, R3 and R4, which can be the same or different, represent a hydrogen atom or alkyl, R5 represents a hydrogen atom, alkyl or a halogen atom, Y represents N or N?O, A represents NR6, R6 represents a hydrogen atom, alkyl or the like, D represents an optionally hydroxy substituted alkylene or alkenylene, E represents phenylene or a single bond, G represents O, S, or the like, and Q represents carboxy, alkoxycarbonyl, or the like.</p> |
