Biopterin analogs
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United States of America Patent
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May 6, 1986
Issued Date -
N/A
app pub date -
Jun 13, 1984
filing date -
Sep 19, 1983
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Expired
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Abstract
This invention provides the intermediates of formula II-A below, useful to make the pterin compounds of formula I below. The pterin compounds are used in human and veterinary medicine. ##STR1## wherein R represents a lower alkyl of 1 to 8 carbons.
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