TROPOLONE DERIVATIVES AND TAUTOMERS THEREOF FOR IRON REGULATION IN ANIMALS

Disclosed are a series of compounds or their tautomers having a general structure represented by Formula Ia or Ib and pharmaceutically acceptable salts thereof. Also disclosed are pharmaceutical compositions comprising said compounds or tautomers or pharmaceutically acceptable salts thereof. Further disclosure relates to a method of treating a disease or condition associated with iron dysregulation or dysfunctional iron homeostasis, comprising administering to a subject in need thereof a therapeutically effective amount of Formula Ia or Ib compounds or tautomers or pharmaceutically acceptable salts thereof.