Antitumour 1,5-diazaanthraquinones
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United States of America Patent
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Feb 25, 2003
Grant Date -
Jul 25, 2002
app pub date -
Jul 11, 2001
filing date -
May 21, 1998
priority date (Note) -
Expired
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Abstract
Compounds having formula (I) wherein R.sup.3, R.sup.4, R.sup.7 and R.sup.8 are independently selected from the group consisting of hydrogen, lower alkyl, halogen, amine, mono(lower)alkylamine, di(lower)alkylamine, phenyl, or substituted phenyl possess antitumor activity and are new with the exception of the compound in which R.sup.3, R.sup.4, R.sup.7, R.sup.8 are all hydrogen and the compound in which R.sup.3 and R.sup.7 are hydrogen, R.sup.4 is chlorine, and R.sup.8 is a 2-nitrophenyl group. ##STR1##
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