Antitumoral compounds
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United States of America Patent
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Feb 25, 1997
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N/A
app pub date -
Mar 28, 1995
filing date -
Jun 5, 1992
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Expired
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Abstract
Azaanthracene-triones of the formula: ##STR1## (in which: R.sup.1, R.sup.2, R.sup.4 and R.sup.5 are the same or are different and each is a hydrogen atom or a lower alkyl group; R.sup.3 is a hydrogen atom, a lower alkyl group, a phenyl group or an amino-substituted phenyl group; and X is a --CH--, .dbd.N-- or --NH--, whereby the ring containing the group X is a benzene, pyridine or dihydropyridene ring) have antitumoral activity.
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