Heterocyclic chemical compound
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United States of America Patent
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Apr 4, 2000
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N/A
app pub date -
May 13, 1998
filing date -
Nov 13, 1995
priority date (Note) -
Expired
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Abstract
The present application is directed to a heterocyclic compound having the structural formula: ##STR1## where R is hydrogen, C.sub.1 -C.sub.2 alkyl, cyclohexyl, phenyl, benzyl, phenylethyl, 2-hydroxyethyl, 3-hydroxypropyl, carboxymethyl, 4-(carboxylamine)butyl or diphenylmethyl; M is hydrogen, sodium, potassium, magnesium or ammonium; and x is 1 or 2. The heterocyclic compound having the aforementioned structural formula finds application in many pharmaceutical applications.
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