| 摘要 |
PROBLEM TO BE SOLVED: To provide a new kind of compounds, and derivatives thereof permissible as pharmaceuticals. SOLUTION: There are provided HIV aspartyl protease inhibitors of the formula (I) and, when the compound of formula (I) contains an amino group, pharmaceutically acceptable ammonium salts thereof, (wherein n is 3 or 4; R<SB>1</SB>may be, for example, iso-butyl; X and Y are same or different, and may be, for example, NH<SB>2</SB>and F; and R<SB>2</SB>and R<SB>3</SB>are as specifically defined herein). COPYRIGHT: (C)2010,JPO&INPIT
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