Hydrazine derivatives
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United States of America Patent
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Jan 4, 1994
Grant Date -
N/A
app pub date -
Aug 7, 1992
filing date -
Feb 8, 1990
priority date (Note) -
Expired
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Abstract
A hydrazine derivative of formula (I), ##STR1## wherein A represents an optionally substituted phenyl, naphthyl or heteroaromatic group containing one or two nitrogen atoms, and R.sup.1 represents hydrogen, optionally substituted alkyl, or optionally substituted benzyl, phenethyl, or 1-naphthylmethyl, or pyrid-3-ylmethyl group, and salts thereof, possess useful pharmaceutical properties.
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