摘要 |
The invention provides a compound of formula I: wherein R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, and R<SUP>4 </SUP>have any of the values defined in the specification, or a pharmaceutically acceptable salt thereof, as well as processes and intermediates useful for preparing such compounds or salts, and methods of treating a herpesvirus infection, atherosclerosis or restenosis using such compounds or salts.
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