Bis (hydroxymethyl) cyclobutyl purines
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United States of America Patent
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Mar 3, 1998
Grant Date -
N/A
app pub date -
Mar 13, 1989
filing date -
Mar 30, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Antiviral activity is exhibited by compounds having the formula ##STR1## and its pharmaceutically acceptable salts wherein R.sub.1 is ##STR2## wherein R.sub.2 is hydrogen, methyl, fluoro, chloro, bromo, iodo, hydroxy or amino; or trifluoromethyl; R.sub.5 is alkyl; R.sub.6 is hydrogen, alkyl, substituted alkyl, or aryl; and R.sub.7 and R.sub.8 are independently hydrogen, ##STR3##
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