| 摘要 |
A compound of the formula: wherein R<1 >is hydrogen, lower alkyl, or optionally substituted arylsulfonyl, or the like, R<2 >is hydrogen, lower alkyl, or optionally substituted aralkyl, or the like, R<3>, R<4>, R<5>, and R<6 >each is independently hydrogen, halogen, trihalogenated lower alkyl, or the like, X is hydroxy or optionally substituted amino, Y is COOR (E is hydrogen or an ester residue), optionally substituted aryl, or optionally substituted heteroaryl, has integrase inhibition activity, and is useful as an anti-HIV drug.
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