Hydroxymethylfurazancarboxylic acid derivatives
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United States of America Patent
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Jan 23, 1996
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N/A
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Mar 7, 1994
filing date -
Mar 6, 1993
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Abstract
The present invention relates to hydroxymethylfurazancarboxylic acid derivatives of the general formula I ##STR1## in which one of the radicals R.sup.1 and R.sup.2 represents hydroxymethyl and the other represents ##STR2## where X represents NR.sup.3 R.sup.4, OH or OR.sup.7, and R.sup.3, R.sup.4 and R.sup.7 are defined as indicated in claim 1, to processes for their preparation and to their use.
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