| 摘要 |
<p>A compound represented by the formula [I]: [I] (wherein X represents oxygen, sulfur, NR4, or CHR5; Y represents oxygen or sulfur; R1 represents C1-6 alkyl, etc.; R2 represents optionally substituted phenyl, etc.; and R3 represents optionally substituted C1-6 alkyl, a group represented by any of the following formulae, etc.) [II] or a pharmaceutically acceptable composite of the compound; a medicinal composition containing any of these as an active ingredient; and a use thereof, etc.</p> |
