New ureido derivatives of poly-4-amino-2-carboxy-1-methyl compounds
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United States of America Patent
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Jan 14, 1997
Issued Date -
N/A
app pub date -
Apr 21, 1995
filing date -
Jan 11, 1990
priority date (Note) -
Expired
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Abstract
The invention relates to ureido derivatives of substituted pyrroles of formula ##STR1## wherein each of m and n, being the same, is an integer of 1 to 3; W is oxygen of sulphur; each of the B groups, which are the same, is a) a saturated or unsaturated, carbocyclic or condensed carbocyclic ring substituted by one or more acid groups; b) a saturated or unsaturated, heteromonocyclic or heterobicyclic ring, containing one or more heteroatoms chosen from nitrogen, oxygen and sulphur, substituted by one or more acid groups; c) a pyranyl or furanyl sugar residue substituted by one or more acid groups; or d) a --CH.sub.2 (CHA).sub.8 CH.sub.2 A group, wherein each A group, being the same or different, is an acid group and r is 0, 1 or 2; and the pharmaceutically acceptable salts thereof, which are useful as angiogenesis inhibitors.
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